The physical size (diameter) of the sun as seen from Mia is approximately 2.702 × 10^6 km.
To calculate the physical size (diameter) of the sun, we can use the following formula:
d = 2 × D × tan(α/2)
where d is the physical diameter of the sun, D is the distance from Mia to the sun, and α is the angular size of the sun as seen from Mia.
Substituting the given values, we get:
d = 2 × 1.3 × 10^8 km × tan(0.8/2)
d ≈ 2.702 × 10^6 km
Therefore, the physical size (diameter) of the sun as seen from Mia is approximately 2.702 × 10^6 km.
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1. Acceleration can result from a change of _______, or a change in ___________, or both *
distance, direction
temperature, volume
speed, direction
force, momentum
2. The acceleration is _______ when an object is speeding up. *
positive
negative
zero
constant
2. The acceleration is _________ when an object is slowing down. *
positive
negative
zero
constant
3. When an object is moving at a constant speed, its acceleration is ________. *
positive
negative
zero
constant
4. A roller coaster is moving at 35 m/s at the bottom of a hill. Four seconds later it reaches the top of the hill moving at 7 m/s. What was the acceleration of the coaster? Include: the formula, the work, the units, and mention if the object was accelerating or decelerating. *
5. A train moves from stop to a speed of 30 m/s in 25.0 seconds. What is its acceleration? Include: the formula, the work, the units, and mention if the object was accelerating or deccelerating. *
6.How long will it take a car to go from a complete stop to 33 km/hr if they are accelerating at 11 km/hr2? Include: the formula, the work, the units, and mention if the object was accelerating or deccelerating.
7.A train was going 100 m/s hit the brakes after seeing a deer who decided to have a nap on the train tracks. It took the train 1 minute 40 seconds to stop, what was the train’s acceleration? Include: the formula, the work, the units, and mention if the object was accelerating or deccelerating.
8. Write a short story that contain an acceleration/decceleration problem. Include numbers and units and solve for the unknown according to your story. Make sure to include the formula, the work, and the right units. *
Answer:
not sure
Explanation:
jahhhhhsjjjjdddddhdhdj hbdbd#dialectical DHL I have no clue W Bush administration and I don't have any jshshhhhdgggddddddd the entire community was literate because
a. they had been slaves and had not been to school
b. they were too poor to go to school
c. work was more important to them than education
d. they avoided to going school
the entire community was literate because
a. they had been slaves and had not been to school
b. they were too poor to go to school
c. work was more important to them than education
d. they avoided to going school
the entire community was literate because
a. they had been slaves and had not been to school
b. they were too poor to go to school
c. work was more important to them than education
d. they avoided to going school
the entire community was literate because
a. they had been slaves and had not been to school
b. they were too poor to go to school
c. work was more important to them than education
d. they avoided to going school
jsbsbd the entire community was literate because
a. they had been slaves and had not been to school
b. they were too poor to go to school
c. work was more important to them than education
d. they avoided to going school
the entire community was literate because
a. they had been slaves and had not been to school
b. they were too poor to go to school
c. work was more important to them than education
d. they avoided to going school
the entire community was literate because
a. they had been slaves and had not been to school
b. they were too poor to go to school
c. work was more important to them than education
d. they avoided to going school
the entire community was literate because
a. they had been slaves and had not been to school
b. they were too poor to go to school
c. work was more important to them than education
d. they avoided to going school
BFF and I don't have any questions please call her and her husband to the hospital for a bit more time with my family grew up in the form of a ring whose inner circumference is it a lot of people who are you doing today beautiful and I don't have any questions please call her and her husband to the
A scientist has a measuring cylinder, a beaker of sea water and an electronic balance.
Describe an experiment to determine the density of the sea water.
Include any equations in your answer.
Answer:
tough
Explanation:
will the particle move to the right (in the positive x -direction) or to the left (in the negative x -direction), and why?
Yes, the particle moves in the positive x-direction (to the right) or the negative x-direction (to the left) due to the forces of attraction and repulsion.
When the particle's velocity is positive, it is travelling to the right. When the velocity is negative, it also moves to the left. A body with a higher mass may have a lower moment of inertia than a body with a lower mass. This relies on the mass distribution and axis with respect to which we are computing the moment of inertia. In real-world situations, we frequently avoid dealing with particles.
The time it takes for a constant force to bring a particle to rest, on the other hand, is represented by its momentum.
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Please explain
A 50-kg person is in an elevator. Determine the normal force exerted on the person by the elevator, if the elevator is accelerating downwards at 5 m/s^2.
HEY CAN YALL PLS ASNWER DIS!!!!!
Answer:
All your answers are correct except the last one I'm pretty sure.
Explanation:
For number 4. The answer I'm pretty sure is:
C. A chunky solid formed from two liquids.
A precipitate is formed when two liquids are mixed together and a chemical reaction takes place. For example curdling milk. When vinegar is added to milk, it causes the milk to curdle and form a precipitate.
Hope this helps:)
Friends tell you that on a recent trip their average velocity was +20 m/s. Is it possible that at any time during their trip their velocity was -20 m/s? Explain, and give an example to justify your answer. PLEASE HELP
Answer: Yes. Please find the answer in the explanation.
Explanation:
Yes. Since velocity is a vector quantity, that is, it has both magnitude and direction.
If the displacements covered are not of the same direction, the velocity will not also of the same direction.
Take for instance, if the velocity in a positive is 40 m/s and velocity in the opposite direction is - 20 m/s . Then, the resultant velocity will be 40 - 20 = 20 m/s
Therefore, it is possible that at any time during their trip their velocity was -20 m/s.
why is the pressure in the bottom of the pacific ocean much bigger than near the surface
Answer:
increase in hydrostatic pressure
Explanation:
he force per unit area exerted by a liquid on an object. The deeper you go under the sea, the greater the pressure of the water pushing down on you. For every 33 feet (10.06 meters) you go down, the pressure increases by one atmosphere .
Brainliest pls
the cosmic microwave background is almost perfectly uniform in all directions, except for very small deviations in its temperature. what do scientists think these small deviations represent?.
a. varying redshift and blueshift due to motions of gas in the early universe
b. region of slightly higher helium abundance in the early universe
c. the warmer spots represent regular matter and the cooler spots represent dark matter
d. regions of slightly density that made it possible for galaxies form
In a case whereby cosmic microwave background is almost perfectly uniform in all directions, except for very small deviations in its temperature. what the scientists think these small deviations represent is d. regions of slightly density that made it possible for galaxies form.
What is the cosmic microwave background?The Cosmic Microwave Background can be descibed as the cooled remnant of the first light which could ever travel freely throughout the Universe it can be seen as the 'fossil' radiation, which an be considered as the furthest that any telescope can see.
It should be noted that the density i can be of two types, whereby one is absolute density, and the other is relative density hgowever the Relative density can be described as the specific gravity, and this is the ratio of the density of a material to the density of reference material.
Therefore, option D is correct.
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Design a resistor network that has an equivalent resistance of 360 using only 300 and 600 resistors. Use as many as you want. Design a resistor network that has an equivalent resistance of 360 using only 300 and 600 resistors. Use the fewest possible resistors
To design a resistor network with an equivalent resistance of 360Ω using only 300Ω and 600Ω resistors, we can use the series and parallel resistor combinations to achieve the desired resistance.
Option 1: Using as many resistors as desired:
One possible configuration is to connect a 600Ω resistor in series with two 300Ω resistors in parallel. This can be represented as follows:
600Ω -- 300Ω -- 300Ω
The equivalent resistance of two 300Ω resistors in parallel is 150Ω. So, the total equivalent resistance of the network is:
600Ω + 150Ω = 750Ω
This configuration does not result in an equivalent resistance of 360Ω using only 300Ω and 600Ω resistors.
Option 2: Using the fewest possible resistors:
To achieve an equivalent resistance of 360Ω with the fewest possible resistors, we can combine the 300Ω and 600Ω resistors in series and parallel connections.
One possible configuration is to connect a 300Ω resistor in series with a parallel combination of a 600Ω resistor and a 300Ω resistor. This can be represented as follows:
300Ω -- (600Ω -- 300Ω)
The parallel combination of a 600Ω and a 300Ω resistor is calculated as follows:
1 / (1/600Ω + 1/300Ω) = 200Ω
Now, we have the series combination of a 300Ω resistor with a parallel combination of a 600Ω and a 300Ω resistor, resulting in an equivalent resistance of:
300Ω + 200Ω = 500Ω
This configuration does not result in an equivalent resistance of 360Ω using only 300Ω and 600Ω resistors.
Therefore, it is not possible to design a resistor network using only 300Ω and 600Ω resistors to achieve an equivalent resistance of 360Ω.
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I need help with this question! Whoever answers gets brainliest and extra points! :)
I am going to assume that the rider starts at rest. Using the equation for kinetic energy, the answer would be equivalent to \(\frac{1}{2} (100)(11)^{2}\). The final answer would be 50 N.
Why are so many people using this on thing like a freaking dating app???
Answer:
this is were you get everything
Explanation:
Answer:
that's crazy. people really do be thirsty for anything doe.
Explanation:
What kind of energy transfer occurs when an earthquake produces a large ocean wave called a tsunami
Answer: Mechanical waves transfer energy from rock to water.
Explanation: The particles of the medium just vibrate in place. As they vibrate, they pass the energy of the disturbance to the particles next to them, which pass the energy to the particles next to them, and so on. Particles of the medium don't actually travel along with the wave.
Answer:
Mechanical Waves
Explanation:
Mechanical waves are waves that require a medium for the transfer of their energy to occur. Water waves are an example of mechanical waves. Tsunami waves released after an earthquake transfer the energy of the quake to distant shorelines.
Hope this helps.
When an object is placed 10 cm in front of a certain mirror, a virtual image is formed 20 cm from the mirror What is the focal length of the mirror? -20 cm 0 +6.7 cm O +20 cm 0 -67 cm
Answer:
\(\huge\boxed{\sf f \approx 6.7 \ cm}\)
Explanation:
Given data:Object distance = p = 10 cm
Image distance = q = 20 cm
Required:Focal length = f = ?
Formula:\(\displaystyle \frac{1}{f} = \frac{1}{p} + \frac{1}{q}\)
Solution:Put the given data in the above formula.
\(\displaystyle \frac{1}{f} = \frac{1}{10} + \frac{1}{20} \\\\\frac{1}{f} = 0.1 + 0.05\\\\\frac{1}{f} = 0.15\\\\f = 1 / 0.15\\\\f \approx 6.7 \ cm\\\\\rule[225]{225}{2}\)
Physics question help help!! A car with a mass of 3500 KG accelerates to 2.2 7M/S2. What is the applied force?
Answer:
7945N
Explanation:
Force= Mass× acceleration
F=3500Kg×2.27ms^-2
F=7945 N
You receive a severe, bleeding injury to your right toe! What circuit of the cardiovascular system is most affected?
A.Pulmonary circuit
B.·Systemic circuit
Answer: A
Explanation:
Pulmonary - is lungs
Systemic - is body system
A runner traveling with an initial velocity of 1.7 m/s accelerates at a constant rate of 1.2 m/s2 for a time of 6 seconds.What distance does the runner cover during this process?
Answer: 31.80m
Explanation:
Given the following :
Initial Velocity (u) = 1.7m/s
Acceleration (a) = 1.2m/s²
Time (t) = 6seconds
Distance covered during the process:
Using the motion equation; calculate the final velocity (v)
v = u + at
v = 1.7 + (1.2*6)
v = 1.7 + 7.2
v = 8.9m/s
We can then find the distance covered during the process using :
v² = u² + 2aS
Where ; v = final velocity ; u = initial velocity
S = distance and a = acceleration
Hence,
8.9² = 1.7² + (2 × 1.2 × s)
8.9² = 2.89 + (2.4 × s)
79.21 = 2.89 + 2.4s
79.21 - 2.89 = 2.4s
76.32 = 2.4s
s = 76.32 / 2.4
s = 31.8m
Ammeters must be connected in _____ with the circuit
A) parrellel
B) series
C) vertical
D) hortizontal
Ammeters must be connected in series with the circuit in order to accurately measure the current flowing through the circuit. When an ammeter is connected in parallel with a circuit, it creates a low-resistance path, which can alter the current in the circuit and give inaccurate readings.
When an ammeter is connected in series, it becomes a part of the circuit and allows the current to flow through it. This way, the ammeter measures the actual current in the circuit, without altering it.
It is important to note that ammeters should only be connected in series with a circuit that is properly designed and has the necessary safety measures in place. Incorrectly connecting an ammeter can create a hazard and damage the equipment. Therefore, it is important to follow proper procedures and safety guidelines when using ammeters to measure electrical current.
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What is SI unit of frequency Mcq?.
The hertz (Hz) is the SI frequency unit named after the German physicist Heinrich Hertz; one hertz means that an event occurs once every second.
What is frequency?The frequency of a repeating event is the number of occurrences per unit of time. It is distinct from angular frequency and is sometimes referred to as temporal frequency. The unit of frequency is hertz, which equals one event per second. The number of waves that pass through a fixed point in a given amount of time is described by frequency. So, if a wave takes half a second to pass, the frequency is 2 per second. The frequency is 100 per hour if it takes 1/100 of an hour.
Here,
The hertz (Hz) is the SI unit of frequency, named after the German physicist Heinrich Hertz; one hertz means that an event occurs once every second.
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a 0.250 kg toy car moving with a speed of 0.820 m/s collides with a wall. the figure shows the force exerted on the car by the wall over the course of the collision. what is the magnitude of the velocity, or final speed, of the car after the collision?
A 0.250 kg toy car moving with a speed of 0.820 m/s collides with a wall. the figure in question shows the force exerted on the car by the wall over the course of the collision. The magnitude of the velocity, or final speed, of the car after the collision 0.820 m/s.
What is velocity?When an item is moving, its velocity is the rate at which its direction is changing as seen from a certain point of view and as measured by a specific unit of time.
Given in the question a 0.250 kg toy car moving with a speed of 0.820 m/s collides with a wall. forces are exerted on the car.
Momentum of the car before collision with the wall is same as momentum after collision so there is change in the direction of velocity.
Final velocity is in opposite direction of initial velocity but the magnitude is same.
So the magnitude of the velocity, or final speed, of the car after the collision is 0.820 m/s.
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HELP HELP HELP I NEED HELP QUICK PLEASE
A truck loaded with sand accelerates at 0.5 m/s2 on the highway. If the driving force on the truck remains constant, what happens to the truck’s acceleration if sand leaks at a constant rate from a hole in the truck bed?
Answer:
It will accelerate at a constant rate.
Explanation:
If the driving force is constant, with a constant reduction in weight, the truck will accelerate at a constant rate.
the acceleration of the truck increase if sand leaks at a constant rate from a hole in the truck bed.
What is Newton's second law of motion ?Force(F) applied on the body is mass(m) times its acceleration(a). i.e. F=ma according to this equation we get acceleration as a = F/m this equation says that when we apply more force to the body, more acceleration it gets. When more is the mass of the body, greater force is needed to accelerate with same amount to that less mass.
According to the relation, a = F/m
mass produces inertia in the body, means mass is a resistance to the linear motion. if mass is greater acceleration is less and mass is more the acceleration is more.
if mass sand leaks at a constant rate from a hole in the truck bed, mass of the truck decreases which increases the acceleration.
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if your car becomes disabled while on the highway, you should: stop in the right lane. park with all four wheels off the traveled highway, if possible. stop where you are.
If your car becomes disabled while on the highway, you should park with all four wheels off the traveled highway, if possible.
When your car becomes disabled on the highway, it is important to prioritize safety and minimize the risk to yourself and other drivers. Parking with all four wheels off the traveled highway helps ensure that your vehicle is not obstructing the flow of traffic and reduces the likelihood of accidents.
Stopping in the right lane can be dangerous as it blocks the lane and increases the risk of collisions. It is generally recommended to move your vehicle out of the flow of traffic to a safe location if possible.
Simply stopping where you are, especially if it is in a traffic lane, is not advisable as it poses a hazard to both you and other drivers. Taking appropriate actions to move your vehicle safely off the highway is crucial in such situations.
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What is benford's law.
Answer:
Known variously as the Newcomb–Benford law, the law of anomalous numbers, or the first-digit law, Benford's Law is the observation that the first digit in many real-world collections of numerical data will be tiny, as shown by the example of the first-digit law.
Explanation:
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a long, straight, current-carrying wire creates a magnetic field. how does the direction of the magentic field on one side of the wire compare to the magnetic field's direction on the other side?
The magnetic field direction can be determined by circling the wire with the fingers while pointing the right thumb toward the direction of the current.
What causes a magnetic field to exist?generated by a current is a magnetic field produced by a wire carrying current is a magnetic field. between two currents traveling in the same direction, the magnetic force between two currents flowing in opposite directions, and the magnetic force of a wire's induced current.
In what way does the magnetic force on a wire go in?For instance, using the right-hand rule, the magnetic force exerted by the magnetic field on this wire is directed in the (-y) direction if the magnetic field is oriented in the (+x) direction and the current is in the (-z) direction.
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An object has more elastic potential energy if...
Quá trình truyền sóng là
When a satellite is in orbit around the earth the force of gravity on the satellite-
Answer:
Is always towards the center of the Earth
Explanation:
As a satellite moves around the Earth in a circular orbit, the direction of the force of gravity is always towards the center of the Earth. At an altitude of 100 km, you would be so high that you would see black sky and stars if you looked upwards.
a circular loop of current-carrying wire lies in the z = 0 plane. in which of these directions would a uniform magnetic field be applied to provide the largest torque on the loop?
The uniform magnetic field should be applied perpendicular to the plane of the loop to provide the largest torque.
Torque is the measure of the rotational force that causes an object to rotate. In this case, the torque on the current-carrying loop is proportional to the product of the magnetic field and the area of the loop. The maximum torque is achieved when the magnetic field is applied perpendicular to the plane of the loop.
This is because the magnetic field lines intersect the loop at right angles and exert the maximum force on the current-carrying wire, resulting in a maximum torque. If the magnetic field is applied parallel to the plane of the loop, then the torque would be zero, as there would be no force acting on the loop. Therefore, for the largest torque, the uniform magnetic field should be applied perpendicular to the plane of the loop.
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An object is placed 2.5 cm away from a converging lens with a focal length of 1.5 cm
Answer:
The correct answer is "-1.5 cm".
Explanation:
The given values are:
Object is placed,
u = 2.5 cm
Focal length,
f = 1.5 cm
On applying the lens formula, we get
⇒ \(\frac{1}{u} +\frac{1}{v} =\frac{1}{f}\)
or,
⇒ \(\frac{1}{v} =\frac{1}{u} -\frac{1}{f}\)
On substituting the given values, we get
⇒ \(=\frac{1}{2.5} -\frac{1}{1.5}\)
⇒ \(=\frac{1.5-2.5}{3.75}\)
⇒ \(=\frac{-1}{3.75}\)
⇒ \(v=-3.75 \ cm\)
As we know,
Magnification, \(m=\frac{v}{u}\)
On substituting the values, we get
⇒ \(=\frac{-3.75}{2.5}\)
⇒ \(=-1.5 \ cm\)
use the kinetic theory of matter to explain thermal expansion in liquids