What is the magnitude and direction of the net force on a car that has a force of 925N East and 358N West applied to it?
a. 1283N East
b. 567N West
c. 567N East
d. 1283N West
Answers
The magnitude and direction of the net force on the car is 567N East. The correct option is c.
To find the net force on the car, we need to subtract the force acting in the opposite direction from the force acting in the forward direction. In this case, we have a force of 925N acting East and a force of 358N acting West.
To find the net force, we can subtract the force acting in the opposite direction from the force acting in the forward direction.
Net force = Forward force - Opposite force
Net force = 925N East - 358N West
Net force = 567N East
Therefore, the net force acting on the car is 567N East. So, Option c. is the correct answer.
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Related Questions
Explain why cookies baked
near the turned-up edges of a cookie sheet receive
more energy than those baked near the center do.
Answers
Answer:
It's all about the conduction between the pan and the cookies.
Explanation:
The cookies in the middle of the pan are not going to be cooked as much as the cookies touching both the bottom of the pan and the side of the pan due to the level of heat being given to those outside cookies. Lets try an example:
Lets say you're in a car in the middle of summer. You and your sibling sit on opposite sides of your other sibling, who is sitting in the middle seat. You and your other sibling are pressed up against the door of the car, making you heat up quicker since not only is it hot in the car, the sun is also on you. Meanwhile your other sibling isn't getting as much heat (but is still warm).
I hope this was able to help! There weren't any answers listed, so it may be the following:
- Conduction of heat
- Transfer of heat
- The pan heating up more of the cookie
- The conversion of more heat energy to the outside cookies
Good luck!
A parallel-plate capacitor is charged by a battery and then the battery is removed and a dielectric of constant K is used to fill the gap between the plates. Inserting the dielectric changes the energy stored by a factor of
Answers
Answer:
Explanation:
Battery is removed so its charge stored becomes fixed .
Energy of capacitor E₁ = Q² / 2C
When dielectric is inserted , the capacity of the capacitor is increased to KC .
Charge on it still remains the same ie Q
So its new energy
E₂ = Q² / 2 KC
E₂ / E₁ = 1 / K
E₂ = E₁ / K
Change in energy
= E₂ - E₁
= E₁ / K - E₁
= E₁ [ (1 / K) - 1 ]
Factor by which energy is changed
= [ (1 / K) - 1 ] .
Which of the following statement/s is/are true? Check all that apply. Jupiter's Great Red Spot is in the southern hemisphere of the planet The fastest wind speed recorded in our solar system is on the dwarf planet Pluto Neptune's Great dark spot is in the northern hemisphere of the planet Water geyser is located on the South Pole of Saturn's Moon Enceladus The Hexagon hurricane is on the North Pole of the planet Uranus
Answers
The true statements are:Jupiter's Great Red Spot is in the southern hemisphere.The fastest wind speed recorded in our solar system is on Neptune.
Among the given statements, only two are true. Jupiter's Great Red Spot, a massive storm, is indeed located in the southern hemisphere of the planet. The Great Red Spot is a prominent feature on Jupiter, visible as a giant swirling storm system. On the other hand, the fastest wind speed recorded in our solar system, reaching speeds of up to 2,100 kilometers per hour (1,300 miles per hour), is found on Neptune.
The strong winds on Neptune contribute to its dynamic atmosphere and the formation of features like the Great Dark Spot. The remaining statements about Pluto, Saturn's moon Enceladus, and Uranus are not true according to our current understanding.
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A lamp that plugs into a wall socket draws energy which flows through a thin wire in the bulb causing it to glow. What energy transformation are taking place
Answers
Answer:
Electrical>thermal>light
Explanation:
you see a burglar run by you. the police come by a few seconds later and ask you for help. the most useful quantity you could give them is the burglar'smultiple choice question.velocity.acceleration.time.speed.
Answers
The most useful quantity you could give the police in this situation is the burglar's: Velocity.
Explanation:
1. Velocity: It provides both the speed and direction of the burglar, which would be helpful for the police to track and catch them.
2. Acceleration: It refers to the rate of change in velocity, but it wouldn't be as helpful without knowing the initial velocity and direction.
3. Time: It's not particularly helpful in this situation, as it does not give any information about the burglar's movement.
4. Speed: While it gives the rate of movement, it lacks the direction, which is crucial for the police to know where the burglar is headed.
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Investigators are exploring ways to treat milk for longer shelf life by using pulsed electric fields to destroy bacterial contamination. One system uses 8. 0-cm-diameter circular plates separated by 0. 95 cm. The space between the plates is filled with milk, which has the same dielectric constant as that of water. The plates are briefly charged to 30,000 V. What is the capacitance of the system? How much charge is on each plate when they are fully charged?
Answers
The given system consists of two 8.0-cm-diameter circular plates separated by 0.95 cm, which are filled with milk. The capacitance of the system can be calculated as follows:Explanation:Capacitance is defined as the charge stored per unit potential difference,using the formula C = Q/V, where C is capacitance, Q is charge, and V is potential difference.
In this case, the capacitance of the system can be calculated using the formula for the capacitance of parallel plate capacitors:
\(C = εA/d\),
where C is capacitance, ε is the permittivity of free space, A is the area of each plate, and d is the distance between the plates.The area of each plate can be calculated using the formula for the area of a circle:
\(A = πr²\),
where r is the radius of the circle.Substituting the given values into the formula, we get:
\(C = εA/dC = (8.85 × 10⁻¹² F/m) × [(π × (8.0/2 × 10⁻² m)²)/0.95 × 10⁻² m]C = 6.21 × 10⁻¹⁰ F\)
Thus, the capacitance of the system is \(6.21 × 10⁻¹⁰ F\).
The amount of charge on each plate when they are fully charged can be calculated using the formula Q = CV, where Q is charge, C is capacitance, and V is potential difference.Substituting the given values into the formula, we get:
\(Q = CVQ = (6.21 × 10⁻¹⁰ F) × (30,000 V)Q = 1.86 × 10⁻⁵ C\)
Thus, the amount of charge on each plate when they are fully charged is \(1.86 × 10⁻⁵ C\).
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ASNWER THIS OR ILL KIDNAPP YOUR DOG AND REVEAL YOUR SEARCH HISTORY!!
Name 3 different forces that act on objects on the Earth
Answers
Answer:
Applied Force.
Gravitational Force.
Normal Force.
Frictional Force.
Air Resistance Force.
Tension Force.
Spring Force.
Explanation:
:)
What force is your bottom pushing against the chair
Answers
The force that your bottom is pushing against the chair is called the "action force."
What does action force mean?The action force is equal and opposite to the "reaction force" that the chair is pushing back against your bottom. This is known as Newton's Third Law of Motion, which states that for every action, there is an equal and opposite reaction.
So, when you are sitting in a chair, your bottom is pushing against the chair with a certain amount of force, and the chair is pushing back against your bottom with the same amount of force. This is why you are able to sit in the chair without falling through it.
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What is a newton? (1 point)
O the unit in which force is measured
O a force that changes the motion of an object
O a force that pulls objects toward the ground
O a non-contact force
Answers
The unit in which force is measured.
A newton is the unit in which force is measured because it represents the amount of force required to accelerate a 1 kilogram mass at a rate of 1 meter per second squared. In other words, it is the force needed to cause a mass of 1 kilogram to accelerate at a rate of 1 meter per second squared. This relationship between force, mass, and acceleration is described by Newton's second law of motion. The unit is named after Sir Isaac Newton, a physicist and mathematician who formulated the laws of motion.
Define the LAWS OF PHYSICS. State it out in full.
BRAINLIEST WILL BE GIVEN!!!!!!
Answers
Answer:
The laws of thermodynamics define a group of physical quantities, such as temperature, energy, and entropy, that characterize thermodynamic systems in thermodynamic equilibrium.
Which Tesla would win in a drag race?
(A) 2009 Tesla Roadster
(B) 2016 Tesla Model X
Answers
Answer:B
Explanation:
A has about 248 hp but B has about 683 hp. 2016 is younger too. good day
Which statement is true? A) Cells come in different shapes, but are all about the same size—very, very small. B) Cells come in different shapes and different sizes. C) Cells all have the same shape, but come in different sizes. D) Cells are all the same shape and size—small and rounded.
Answers
Answer: B) Cells come in different shapes and different sizes.
Explanation:
Cell is the basic unit of life. Each cell forms the an integral component of the body of the living organism. The cell structure and function varies from organism to organism. The cells of the plants are comparatively larger than the animal cells. The plant cells are usually rectangular in shape whereas that of animals are usually circular or round in shape. The shape and size of the cells can vary depending upon the function and structure of the organism.
If you have a volume of 10 mL and a mass of 100 g, what is the density
Answers
Answer:
v devided by m and answer is 0.1
Explanation:
v
m
how much energy is needed to melt 1.25 kg of water at its melting point?
2830 kj
5.23 kj
0 kj
416 kj
Answers
Answer:
416 kj
Explanation:
hope it helps
Answer:
416 kj
Explanation:
For this particular problem, we are not dealing with a temperature change, rather, we are dealing with a scenario in which we are melting ice. Hence, we need to use the delta H fusion equation:
q=m⋅ΔHfus
Hope that I could help.
the rectangular loop of wire is being moved to the right at constant velocity. a constant current i flows in the long wire in the direction shown. what are the directions of the magnetic forces on the left-hand (l) and right-hand (r) sides of the loop?
Answers
The correct option is B, On the left-hand (L) and right-hand (R) sides of the loop, the magnetic forces point in the directions L: to the left; and R: to the right.
Magnetic forces are the attractive or repulsive forces exerted between magnetic objects or charged particles in motion. These forces are caused by the interaction of magnetic fields, which are generated by moving charges or magnetic materials. The strength and direction of magnetic forces depend on the properties of the magnetic objects or charged particles involved, as well as the distance between them. Like charges or magnetic poles repel each other, while opposite charges or poles attract each other.
Magnetic forces play a crucial role in many natural and technological phenomena, such as the behavior of compass needles, the operation of electric motors and generators, and the storage and transmission of data in computer hard drives. They also have important applications in medical imaging, particle accelerators, and fusion reactors.
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Complete Question:-
The rectangular loop of wire is being moved to the right at constant velocity. A constant current I flows in the long wire in the direction shown. What are the directions of the magnetic forces on the left-hand (L) and right-hand (R) sides of the loop?
A. L: to the left; R: to the left
B. L: to the left; R: to the right
C. L: to the right; R: to the left
D. L: to the right; R: to the right
As cars travel, oil and gasoline leaks onto the road surface. If a light rain falls, what does this do to the control of the car
Answers
When a light rain falls after oil and gasoline have leaked onto the road surface, it can cause the car to become less responsive and more difficult to control.
This is because the oil and gasoline act as a slippery layer on the road surface, which reduces the friction between the tires and the road. The rainwater can then mix with the oil and gasoline, making the layer even more slippery and reducing the vehicle's grip on the road.
To help mitigate this issue, drivers should be aware of their surroundings and the potential for slippery surfaces, and should adjust their speed and driving accordingly. Additionally, using tires with greater tread, or using more aggressive tires designed for wet and slippery conditions, can also help increase the vehicle's grip on the road.
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William took a 7 hour bicycle trip. In all, he traveled 112 miles. What was his average rate of speed in miles per hour?
Answers
Answer:
16 miles
Explanation:
112 miles/ 7 hours= 16 miles per hour
Which statement is the best interpretation of the ray diagram shown below?
A. A concave lens forming a larger, virtual image
B. A concave lens forming a larger, real image
C. A concave mirror forming a larger, virtual image
O D. A concave mirror forming a larger, real image
Answers
Answer:
a concave lens forms a smaller, real image. { a p e x :)) }
Explanation:
hey, friend! this is the answer, but make sure that, next time, you include the diagram to make it easier for us to help you, okay?
A concave lens forming a larger real or virtual image and Concave mirrors form both real and virtual images. therefore all statements are correct. Therefore these can be interpreted by using Ray diagram.
What is Ray diagram ?A ray diagram is a diagram that shows path taken by light in order to see a point on the image of an object. Ray diagram uses lines with arrows to show reflected and incident ray.
A concave lens is a lens that diverges a straight light beam from the source to a diminished, upright, virtual image. It can form both real and virtual images. concave lens has curve on both side. The lens having only one side plane and other is curved inside, the les is called as planoconcave lens.
Concave mirror can form both virtual and real image that depends on the distance between the mirror and object. We get virtual and magnified image When the object is placed very close to the mirror. when distance between the object and mirror is increased, image gets diminished and real.
Both concave lens and mirror form both real and virtual images that's depend on the distance.
Hence all statements are correct.
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Draw four clearly labeled force diagrams with the proper equations and extreme detail/intuition for an Egg drop device that contains a parachute. A.) 1st scenario as soon as the egg begins to go down(
Answers
A force diagram is a representation of the forces acting on an object. It helps in understanding the motion of the object. When an egg is dropped with a parachute, the following four scenarios can be drawn:
1st scenario as soon as the egg begins to go down:
The force diagram for this scenario is as follows:
\(F_{g}\(:
The force of gravity acting downwards is equal to the weight of the egg.
\(F_{air}\(:
The force of air resistance acts upwards and opposes the motion of the egg. It is equal in magnitude and opposite in direction to the weight of the egg. The net force acting on the egg is zero as the egg is falling at a constant velocity.
The equation for the net force is \(F_{net}=F_{g}+F_{air}=0\(
2nd scenario just before the parachute opens:
The force diagram for this scenario is as follows:
\(F_{g}\(:
The force of gravity acting downwards is equal to the weight of the egg.
\(F_{air}\(:
The force of air resistance acts upwards and opposes the motion of the egg. It is equal in magnitude and opposite in direction to the weight of the egg.
\(F_{p}\(:
The force of the parachute acts upwards. The net force acting on the egg is upwards and is equal to the difference between the force of the parachute and the force of air resistance.
The equation for the net force is \(F_{net}=F_{p}+F_{air}-F_{g}>0\(
3rd scenario just after the parachute opens:
The force diagram for this scenario is as follows:
\(F_{g}\(:
The force of gravity acting downwards is equal to the weight of the egg.
\(F_{air}\(:
The force of air resistance acts upwards and opposes the motion of the egg. It is equal in magnitude and opposite in direction to the weight of the egg.
\(F_{p}\(:
The force of the parachute acts upwards and is greater than the force of air resistance. The net force acting on the egg is upwards and is equal to the difference between the force of the parachute and the force of air resistance.
The equation for the net force is \(F_{net}=F_{p}+F_{air}-F_{g}>0\(
4th scenario just before the egg hits the ground:
The force diagram for this scenario is as follows:
\(F_{g}\(:
The force of gravity acting downwards is equal to the weight of the egg.
\(F_{air}\(:
The force of air resistance acts upwards and opposes the motion of the egg. It is equal in magnitude and opposite in direction to the weight of the egg.
\(F_{p}\(:
The force of the parachute acts upwards and is less than the force of air resistance. The net force acting on the egg is downwards and is equal to the difference between the force of air resistance and the force of gravity. The equation for the net force is \(F_{net}=F_{air}-F_{g}<0\(
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The intensity of sound is measured on the decibel scale, db. The equation db=10logi represents the decibel level, where i is the ratio of the sound to the human hearing threshold. A noise registers a decibel level of 29. Which equation could be used to find how many times greater the noise is than the human hearing threshold?.
Answers
The noise level is I=1029 I=log2 times over the threshold of human hearing.
How is dB measured?Logarithmic scales are used to measure decibels. This is a method of accounting for or measuring an exponentially growing quantity. For instance, every 10 dB increase in decibels corresponds to a 10-fold increase in sound pressure level (SPL).
What is the formula for sound frequency?The formula for sound speed is vw=f, where f is sound frequency and is sound wavelength. The distance between adjacent, identical wave components, such as between adjacent compressions, determines a sound's wavelength.
What is frequency measured in?The hertz is the SI unit for frequency (Hz). One cycle per second equals one hertz.
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a powerful motorcycle can produce an acceleration of 4.3 m/s2 while traveling at 90.0 km/h. at that speed the forces resisting motion, including friction and air resistance, total 400 n. (air resistance is analogous to air friction. it always opposes the motion of an object.) what is the magnitude of the force, in newtons, that the motorcycle exerts backward on the ground to produce its acceleration if the mass of the motorcycle with rider is 228 kg?
Answers
The acceleration force that the motorcycle would exert is 1381.6 N.
We can start by converting the speed of the motorcycle from km/ h to m/ s km/ h = 25 m/ s
Next, we can calculate the force of air resistance and disunion( R) acting on the motorcycle
R = 400 N
We can now use Newton's alternate law to calculate the force( F) that the motorcycle exerts backward on the ground to produce its acceleration
F = ma
where m is the mass of the motorcycle with rider,
which is given as 228 kg,
and a is the acceleration,
which is given as4.3 m/ s2.
Substituting the values, we get
F = ( 228 kg)(4.3 m/ s2) 400 N
F = 981.6 N 400 N
F = 1381.6 N
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2. Matt always brings sugar cubes with him when he visits his horse Trinity. Matt noticed that Trinity would become excited after eating the sugar cubes. However, now Trinity seems to get excited as soon as she sees Matt.
NS:
UCS:
UCR:
CS:
CR:
Answers
Answer:
i don't know what?
Explanation:
i said what?
state three uses of a magnet
Answers
Explanation:
Compass. A compass uses a magnet to direct its needle to the north pole
Magnets are used to make a tight seal on the doors to refrigerators and freezers. They power speakers in stereos, earphones, and televisions. Magnets are used to store data in computers, and are important in scanning machines called MRIs.
Answer:
Magnets are used to make a tight seal on the doors to refrigerators and freezers. They power speakers in stereos, earphones, and televisions. Magnets are used to store data in computers, and are important in scanning machines called MRIs (magnetic resonance imagers), which doctors use to look inside people's bodies.
Explanation:
What is the radius of an automobile tire that turns with a period of 0.091 s and has a linear
speed of 20.0 m/s? What kind of force is the centripetal force?
Answers
Answer:
1) The radius of the tire is approximately 0.28966 meters
2) The centripetal force is the force that keeps a body moving on a circular path
Explanation:
1) The linear speed of the automobile tire = 20.0 m/s
The period with which the tire turns = 0.091 s
The period = The time it takes to make a complete turn
Therefore;
The number of turns in 1 second = 1/0.091 ≈ 10.989 turns
The distance covered with 10.989 turns, assuming no friction = 10.989 × The circumference of the tire
∴ The distance covered with 10.989 turns, assuming no friction = 10.989 × 2 × π × Radius of the tire
From the speed of the car, 20.0 m/s, we have;
The distance covered in 1 second = 20.0 meters
Therefore;
10.989 × 2 × π × Radius of the tire = 20.0 meters
Radius of the tire = (20.0 meters)/(10.289 × 2 × π) ≈ 0.28966 meters
The radius of the tire ≈ 0.28966 meters
2) The centripetal force is the force required to maintain the curved motion of an object, and having a direction towards the center of the rotary motion.
The centripetal force is given by the formula, \(F = \dfrac{m \cdot v^2}{r}\)
Where;
F = The centripetal force
m = The mass of the object
v = The linear velocity of the object
r = The radius of the rotational motion.
which of the following is true about how weathering affects fractured rocks
Answers
Weathering is a process where rocks are broken down by various factors such as water. Thus, Option D is correct.
Weathering is a natural phenomenon where rocks are dissolved and broken down into smaller particles by the action of water, wind, and even organisms. There is no one way in which the rock can be broken down.
Usually, the process starts from the outside and works its way toward the inside. There are three types of weathering - Physical, chemical, and biological.
Water, for example, can get into the fractures within the rock. This can turn into ice and break the rock from within as well.
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Complete question:-
Which of the following is true about how weathering affects fractured rocks?
a) Weathering affects rocks from the outside, forming an outer weathered zone or rind
b) Weathering attacks corners from three sides and so these are preferentially removed
c) Preferential weathering along fractures can cause blocks to become rounded
d) All of these
Help with this review pls!!
Answers
Answer:
The 2 forces are a Push and a Pull
Mass is the resistance of change in speed or position when adding force.
Weight is the force of gravity
Tension Force is the pulling force transmitted through a string cable or chain. The formula for this is T = mg + ma.
It gives the particle the same acceleration as all those actual forces together as described by the Newton's second law of motion.
An unbalanced force is when there is 2 forces on opposites of an object both are adding force but one side is stronger than the other.
Friction is a force that heats things up. This happens when we rub our hands together and the heat that is generated from the friction makes our hands warmer.
Static friction is what keeps the box from moving without being pushed, and it must be overcome with a sufficient opposing force before the box will move. Kinetic friction (also referred to as dynamic friction) is the force that resists the relative movement of the surfaces once they're in motion.
factors that affect pressure in solids
Answers
Answer:
PRESSUREPressure is the force acting normally per unit area.
Pressure due to solids depends on the factors:Force.
Area.
This also proved by formula:
P=F/A.
Also pressure due to liquid depends on density ,gravity and height
Two vectors of magnitude 3 units and 4 units are at an angle 60degree between them. Find the magnitude of their difference
Answers
The magnitude of the difference amongst the two vectors is sqrt (13) units.
Let's call the two vectors A and B. We can use the Law of Cosines to find the magnitude of their difference:
|A - B|^2 = |A|^2 + |B|^2 - 2|A||B|cosθ
where θ is the angle between the two vectors.
Substituting the given values, we get:
|A - B|^2 = (3) ^2 + (4) ^2 - 2(3)(4) cos60°
Simplifying, we get:
|A - B|^2 = 9 + 16 - 12
|A - B|^2 = 13
Taking the square root of both sides, we get:
|A - B| = sqrt (13)
Therefore, the magnitude of the difference between the two vectors is sqrt (13) units.
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Starting in 2009, astronomers have been discovering really cool objects out there (cool here meaning low-temperature, as well as really interesting), which they have called Y dwarfs. What distinguishes these brown dwarfs from others that astronomers have discovered
Answers
These brown dwarfs can be distinguished from other star-like objects because they exhibit absorption lines from the ammonia molecule in the spectra.
What are brown dwarfs?Brown dwarfs are star-like (small) objects in the external space that exhibit very low cold temperatures.
Brown dwarfs are not only small stars but also huge gaseous planets such as Saturn and Jupiter.
In consequence, brown dwarfs are a wide category that includes both planets and star-like objects.
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Do nonmetals donate or accept electrons? what do they become after they donate/accept electrons?
Answers
Non-metals accept the electrons which are released by a metal atom and become negatively charged (Anion)
Non-metals are substances without any metallic properties like malleability, ductility, etc. They function well as heat and electrical insulators. Mostly gases, but occasionally liquids, they are. Some of them, like carbon, sulfur, and phosphorus, are even solid at ambient temperature.
Non-metals have more than 4 valence electrons in their outermost shell, hence they accept the electrons to become stable by attaining octet configuration.
Whereas metal atoms have less than 4 electrons in their outermost shell and hence, they release the electron to attain the octet configuration
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