According to the given statement 11303.5 kg is the weight of the truck.
What does physics' Archimedes principle entail?The buoyant force, which applies to a person at rest in a fluid, is proportional to the weight of the displaced water and pushes higher. The amount of fluid displaced when the body is fully immersed is equal to the body's volume.
Briefing:The Archimedean principle, which asserts that the hydrostatic push is equal to the weight of the desalinated liquid, is used to solve this task.
B = ρ g V
It is in balance with the push when the truck is at full weight, according to Newton's law of equilibrium.
Σ F = 0
B-W = 0
B = W
body weight
W = M g
the volume is
V = l to h
(l to h) = M g
M = l a h
we calculate
M = F = 1000 . 10. (4.70 x 6.50 x 0.037) = 11303.5 N
M = 11303.5 kg
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A basketball player runs a drill in which he runs the
length of the 30.0 meter court and back. He does
this three times in 50.0 seconds.
30. m
(Not drawn to scale)
1. The magnitude of the player's total displacement
after running the drill is
(1) 0.0 m
(2) 30.0 m
(3) 60.0 m
(4) 180 m
Answer: (1) 0.0 m
Explanation: In physics, displacement is defined as the change in position of a moving object. It is a vector, so has magnitude and direction, determined by a referential create to the system, i.e., the moving object. Mathematically, displacement is calculated by: \(\Delta x=x_{f}-x_{0}\), in which:
\(x_{f}\) is the final position;\(x_{0}\) is the initial postion;\(\Delta x\) is the diplacement;For the basketball player, he runs 30m, 3 times, court and back. Assuming the initial position is 0:
\(\Delta x=0-0\)
\(\Delta x\) = 0.0
Since displacement is given by, only, the initial and final position and the player started at the initial point and ended at the initial point of the court, displacement is 0.
If italic sin open parentheses 2 x close parentheses equal italic cos open parentheses x plus 30 degree close parentheses comma what is the value of x?
20
30%
50%
110%
To find the value of x in the equation sin(2x) = cos(x + 30°), we can use trigonometric identities to simplify and solve the equation.
We know that the cosine of an angle is equal to the sine of its complement:
cos(θ) = sin(90° - θ)
Therefore, we can rewrite the equation as:
sin(2x) = sin(90° - (x + 30°))
Using the identity sin(A) = sin(B), we can set the angles equal to each other:
2x = 90° - (x + 30°)
Simplifying further:
2x = 90° - x - 30°
Combining like terms:
3x = 60°
Dividing both sides by 3:
x = 20°
So, the value of x in the given equation is 20 degrees.
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What is the speed of a runner that runs 400m in 48.42 seconds?
Answer:
The speed is that it would take 121.05 seconds to run a kilometer.
Explanation:
Since there are 1000 meters in a kilometer, divide 400 meters by 4, and 48.42 by 4. Then you get 100 meters equals 12.105 seconds. Multiply that by ten, and you get 121.05 seconds
Two identical metallic sphere having unequal opposite charges are are placed
distance of 0.05m apart in air.
After bringing them in contact
with each other, they are again placed at the same distance apart, now the force of repulsion between them is 0.108 N. Calculate the final charge on each of them.
Answer:
Let the initial charges be q1 and q2 respectively.
After they come in contact, the charges are rearranged such that they acquire same charge.
let us say that charge on each of them is Q.
They are again brought apart at a distance of 0.9 m. Hence, the force between them will be given as
F = kQ2 / r2
0.025 = (9×109 x Q2) / 0.92
Q2 = 0.025 x 0.92 / 9×109
Q = 1.5 x 10-6 C
Explanation:
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Which statement about gravity is true? L
Answer:
The last statement.
Explanation:
Gravity is mgh where m is the mass of the object or the person, g is the gravitational field strength acting on it and h is the height of alleviation of the object or the person and thus is not affected by other forces.
Answer: the last one i think
Explanation:
Provide three examples of situations in which velocity is the main factor determining an object's momentum
A moving truck, a moving trailer, and a rolling block are three instances in which an object's mass determines the momentum primarily.
The velocity of a body or object determines its direction of motion.
Momentum is the product of mass and velocity of an object. It is mathematically represented as,
P = m* v
where,
m is the mass of the object
v is the velocity of the object
Following are three instances where an object's mass acts as the primary determinant of its momentum:
A moving truck
A moving trailer
A rolling block
The three examples given above shows three objects with heavy mass.
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provide two ways that objects can become charged
Answer:
friction, conduction and induction
Explanation:
Had it in class I had it correct hope this helps.
(b) Complete the sentence about longitudinal
waves.
The vibrations of the air particles are.....
to the
direction of energy transfer.
(C) A stationary car horn emits a sound wave frequency 400 Hz. The wavelength of the wave is 0.85 m. Calculate the speed of sound.
Answer:
see below
Explanation:
b ) the vibrations of the air particles are parallel to the direction of energy transfer.
c) use formula
speed = wavelength x frequency
speed = 0.85 x 400
speed = 340 m/s
hope you get it
please mark
When a closed loop of wire experiences a changing magnetic field a voltage and therefore current is produced. This is the basis for...
Answer: The answer is an electric generator
Explanation:
I just took the quiz and I thought it was an electric motor but the correct answer was an electric generator.
This concept of closed loop wire experiences a changing magnetic field and flowing of current is related to the Faraday's law of electromagnetic induction.
Why there is a current flow whenever there is a change in magnetic field in a closed loop of wire?When ever there is a bar magnet inside the wire and the magnet moves relative to the wire there will be an EMF generated in the coil and current can be flown.
similarly by reversing the process if the magnet remains stationary and the coil is moved then again the emf and the current generated in the coil which is called as electromagnetic induction.
This is the basic principle of transformers,generators,motors .
Thus when a closed loop of wire experiences a changing magnetic field a voltage and therefore current is produced.
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I WILL GIVE BRAINLIEST!!!
Answer:
7.27 m/s
Explanation:
40/5.5 = 7.27m/s
Constants The current I in a long, straight wire is constant and is directed toward the right as in (Figure 1). Conducting loops A, B, C and D are moving in the directions shown, near the wire. Part A For each loop, is the direction of the induced current clockwise or counterclockwise, or is the induced current zero? Drag the appropriate items to their respective bins. Reset Help 100 A 1609 E 1o C (150D Figure 1 of 1 Clockwise Counterclockwise No current The current I in a long, straight wire is constant and is directed toward the right as in (Figure 1). Conducting loops A.B.C. and D are moving in the directions shown, near the wire. Part B For each loop, what is the direction of the net force that the wire exerts on the loop? Drag the appropriate items to their respective bins.
The route of the net force that the wire exerts on the loop.
Loop A: counterclockwise Loop
B: clockwise Loop
C: no current Loop
D: counterclockwise
B) For A and B, the force may be in the direction of the cord the pressure might be inside the path in order to oppose the exchange.
For C there might be no force
For D the force could be away from the loop.
The net force is the gravitational force directed towards the immediately twine. current flows clockwise through the round loop of cord. again, a hand ruler can be used to determine the course of the pressure acting at the electron. on the grounds that electrons are negatively charged, the left-hand rule applies.
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what instrument is used to measure mass of an object
The instrument commonly used to measure the mass of an object is a scale or a balance.
Mass is the measure of the amount of matter an object contains. This amount of matter in an object is typically measured in grams (g), kilograms (kg), ounces (oz), or pounds (lbs). The mass of an object is different from its weight, which is the force of gravity acting on an object with mass. Mass is a fundamental property of matter. It is a scalar quantity that describes the amount of matter in an object. The SI unit for mass is the kilogram (kg).
Mass can be measured using a variety of instruments including balances, scales, and mass spectrometers. A balance is an instrument that compares the mass of an object with a known mass, usually calibrated in grams or kilograms. A scale is an instrument that measures weight or mass by means of a spring or a set of calibrated weights. Mass spectrometry is a technique that is used to measure the mass of molecules or atoms by measuring the mass-to-charge ratio of ions. The mass spectrometer is an instrument that is used to perform mass spectrometry. Thus, the instrument used to measure the mass of an object is a scale.
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HOW LONG WILL IT TAKE SHINTA TO REACH HIS BROTHERS LOCATION? PLS HELP
Answer:
2 minutes or 120 seconds
Explanation:
The answer is 2 minutes or 120 seconds because 36 km is 36000 m and 36000 divided by 300 is 120, so the answer is 120 seconds, and converted to 2 minutes. Hope it helps!
a 1100-kg elevator is rising and its speed is increasing at 3.0 m/s2. the tension in the elevator cable is:
The tension in the elevator cable is 14080 Newtons (N).
According to Newton's second law of motion, the net force acting on an object is equal to the product of its mass and acceleration. In this case, the elevator has a mass of 1100 kg and is experiencing an acceleration of 3.0 m/s^2.
The weight of the elevator is given by the equation: weight = mass * gravity, where gravity is the acceleration due to gravity (approximately 9.8 m/s^2).
Weight of the elevator = 1100 kg * 9.8 m/s^2
To find the tension in the cable, we need to consider the net force acting on the elevator. The net force is equal to the sum of the weight of the elevator and the force required to accelerate it.
Net force = Weight of the elevator + Force for acceleration
The force for acceleration can be calculated using Newton's second law:
Force for acceleration = mass * acceleration
Force for acceleration = 1100 kg * 3.0 m/s^2
Finally, we can find the tension in the cable by adding the weight of the elevator and the force for acceleration:
Tension in the cable = Weight of the elevator + Force for acceleration
To find the tension in the cable, we need to calculate the weight of the elevator and the force for acceleration.
1. Weight of the elevator:
Weight = mass * gravity
Weight = 1100 kg * 9.8 m/s^2
Weight = 10780 N
2. Force for acceleration:
Force for acceleration = mass * acceleration
Force for acceleration = 1100 kg * 3.0 m/s^2
Force for acceleration = 3300 N
3. Tension in the cable:
Tension in the cable = Weight of the elevator + Force for acceleration
Tension in the cable = 10780 N + 3300 N
Tension in the cable = 14080 N
Therefore, the tension in the elevator cable is 14080 Newtons (N).
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determine the pressure drop per 100-m length of horizontal new 0.35-m-diameter cast iron water pipe when the average velocity is 2.9 m/s.
When the average velocity is 2.4 m/s, the horizontal 0.35 meter diameter cast iron water pipe experiences a pressure drop (P) of roughly 16457.14 kPa every 100 meters.
To determine the pressure drop per 100-meter length of a horizontal 0.35-meter diameter cast iron water pipe, we can use the Darcy-Weisbach equation. The equation is as follows:
\(\begin{equation}\Delta P = \frac{f \cdot \frac{L}{D} \cdot (\rho \cdot V^2)}{2}\)
where ΔP is the pressure drop, f is the Darcy friction factor, L is the length of the pipe (100 meters in this case), D is the diameter of the pipe (0.35 meters), ρ is the density of water, and V is the average velocity of water.
To calculate the pressure drop, we need to determine the Darcy friction factor. For a rough cast iron pipe, we can estimate the friction factor to be around 0.02.
Using the given values and the estimated friction factor, the calculation becomes:
\(\begin{equation}\Delta P = \frac{0.02 \cdot \frac{100}{0.35} \cdot (\rho \cdot 2.4^2)}{2}\)
Since the density of water (ρ) is approximately 1000 kg/m³, we can substitute this value and calculate the pressure drop:
ΔP = \(\frac{0.02 \times \frac{100}{0.35} \times 1000 \times 2.4^2}{2}\)
Let's solve the expression to calculate the pressure drop (ΔP) in kilopascals (kPa):
ΔP = \(\frac{0.02 \times \frac{100}{0.35} \times 1000 \times 2.4^2}{2}\)
First, let's simplify the expression:
ΔP = \(\frac{0.02 \times (285.714) \times (1000 \times 5.76)}{2}\)
= 16457.14
Therefore, the pressure drop (ΔP) per 100-meter length of the horizontal 0.35-meter diameter cast iron water pipe, when the average velocity is 2.4 m/s, is approximately 16457.14 kPa.
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Complete question :
Determine the pressure drop per 100 -m length of horizontal new 0.35−m-diameter cast iron water pipe when the average velocity 2.4 m/s. Δp= kPa
two square air-filled parallel plates that are initially uncharged are separated by 1.2 mm, and each of them has an area of 190 mm2. how much charge must be transferred from one plate to the other if 1.1 nj of energy are to be stored in the plates?
Approximately 1.768 picocoulombs (pC) of charge must be transferred from one plate to the other to store 1.1 nanojoules of energy in the plates.
To determine the amount of charge that must be transferred from one plate to the other, we can use the formula for the energy stored in a capacitor:
E = (1/2) * C * V^2
Where E is the energy stored, C is the capacitance, and V is the potential difference between the plates.
Given that 1.1 nJ (nanojoules) of energy are to be stored in the plates, we can substitute this value into the equation:
1.1 nJ = (1/2) * C * V^2
The capacitance of a parallel plate capacitor is given by:
C = (ε0 * A) / d
Where ε0 is the permittivity of free space, A is the area of each plate, and d is the distance between the plates.
Substituting the given values into the equation, we have:
C = (ε0 * A) / d = (8.85 x 10^-12 F/m * 190 x 10^-6 m^2) / (1.2 x 10^-3 m)
C ≈ 1.42 x 10^-12 F
Now, we can rearrange the initial energy equation to solve for the potential difference V:
1.1 nJ = (1/2) * (1.42 x 10^-12 F) * V^2
Simplifying the equation, we have:
V^2 = (2 * 1.1 nJ) / (1.42 x 10^-12 F)
V^2 ≈ 1.549 V^2
Taking the square root of both sides, we find:
V ≈ 1.244 V
Since the potential difference between the plates is equal to the voltage, we can conclude that the amount of charge transferred is given by:
Q = C * V ≈ (1.42 x 10^-12 F) * (1.244 V)
Q ≈ 1.768 x 10^-12 C
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PLEASE HELPPP
Force: Adding vectors (find resultant force)
50N north plus 50N west Plus 50N north west
A wire carries a 12. 55 μA current. How many electrons pass a given point on the wire in 2. 39 s? Round to two decimal places and express your answer in terms of scientific notation, for example: 3. 2.00E+11
Answer:
Q = N e where N is number of electrons and Q is total charge
I = Q / t where I is current and t = sec
I = Q / t = 12.55E-6 Coul / Sec
Q = 12.55E-6 Coul/sec * 2.39 sec = 3.00E-5 Coul total charge
N = 3.00E-5 coul / 1.60E-19 coul = 1.87E14 electrons
(electronic charge = 1.60E-19 Coul)
A body completes one round of a circular path of radius 14m in 10 seconds. Calculate its average speed and average velocity at the end of one round.
Answer:
Average speed = 8.8 m/s
Average velocity = 8.8 m/s
Explanation:
From the question,
Avearge speed = 2πr/t................ Equation 1
Where r = 14 m, t = 10 s
Constant π = 22/7
Substitute this value into equation 1
Average speed = 2(22/7)(14)/10
Avearge speed = 8.8 m/s.
For a body moving in circular motion, The average speed and average velocity are equal.
Hence,
Average speed = 8.8 m/s
Average velocity = 8.8 m/s
he difference between mass and weight. *
A soccer ball is moving horizontally at a speed of 4.0 m/s. It then undergoes a constant acceleration. After 8.00 s, the ball is moving at 4.8m/s. What is the ball's displacement?
Answer: 0.0 m/s
Explanation
what is the greatest distance you can be from base camp at the end of the third displacement regardless of direction
To determine the greatest distance you can be from the base camp at the end of the third displacement, regardless of direction, we need more specific information about the magnitudes and directions of the displacements.
Displacement is a vector quantity that has both magnitude and direction. The distance covered during multiple displacements depends on the individual magnitudes and directions of each displacement. Without specific values, it is not possible to determine the exact greatest distance from the base camp.
If you provide the magnitudes and directions of the three displacements, I can help you calculate the total distance and determine the maximum possible distance from the base camp at the end of the third displacement.
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Give reason for the following:
a) An inflated balloon was pressed against a wall after it has been rubbed with a
piece of synthetic cloth. It was found that the balloon sticks to the wall.
b) When an object is thrown up, it comes back to ground.
c) Mountaineers suffer nose bleeding at higher altitudes.
d) Foundations of high rise buildings are kept wide.
e) Deep sea divers or high altitude fliers wear special suits.
f) Walls of a dam are thickened near the base.
a) An inflated balloon was pressed against a wall after it has been rubbed with a piece of synthetic cloth. It was found that the balloon sticks to the wall. This is because a positive and negative electric charge is produced, therefore the balloon sticks to the wall.
b) When an object is thrown up, it comes back to ground because of gravitational attraction force of earth.
c) Mountaineers suffer nose bleeding at higher altitudes because the oxygen level decreases with increase in altitude, which the body cannot adjust.
d) Foundations of high rise buildings are kept wide because more is the area of contact, less is the pressure efforts. So, foundations are wide so as to decrease the possibility of the building from falling down.
e) Deep sea divers or high altitude fliers wear special suits so as prevent their body from being crushed by the water pressure. Since water pressure is maximum at deep seas and oceans, therefore, more is the risk of being injured.
f) Walls of a dam are thickened near the base so that the dam can handle the kinetic energy pressure and prevent itself from breaking down, which if not, can lead to flooding.
HOPE IT HELPS...
two children of masses m1 = m2 = 20 kg , ride on the perimeter of a small merry-go- round . the merry -go-round us a disk of mass M = 30 kg answer
Answer:
c
Explanation:
Which of these will always produce a magnetic field?
Answer:
Technically everything has somewhat of a magnetic field. I guess
a. Ayas mass is 45kg. What is her weight in newtons on Earth?
b. What is Ayas mass on the moon?
c. What is Ayas weight in newtons on the moon?
a. The Aya's weight on Earth is 441 Newtons.
b. The Aya's mass on the moon would still be 45 kg.
c. Aya's weight on the moon is 72 Newtons.
a. Ayas weight on Earth can be calculated using the formula:
Weight = mass * gravitational acceleration
The gravitational acceleration on Earth is 9.8 m/\(s^2\).
Plugging in the given mass:
Weight = 45 kg * 9.8 m/\(s^2\) = 441 N
Therefore, Ayas' weight on Earth is 441 Newtons.
b. Aya's mass remains the same on the moon as it does on Earth. Therefore, Aya's mass on the moon would still be 45 kg.
c. To calculate Aya's weight on the moon, we need to consider the gravitational acceleration on the moon. The gravitational acceleration on the moon is approximately 1.6 m/\(s^{2}\). Using the same formula:
Weight = mass * gravitational acceleration
Weight = 45 kg * 1.6 m/\(s^{2}\) = 72 N
Therefore, Aya's weight on the moon is 72 Newtons.
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The calculated value of static friction
A) increases as force increases
B) is the amount of friction present for an object at rest
C) causes a net acceleration
D) is the maximum value possible
A car starts from rest and accelerates uniformly at 6.6 m/s2 for 10.s. How far does the car travel?
Explanation:
s = ut + 1/2at²
= 0(10) + 1/2×6.6×(10)²
= 3.3 × 100
= 330 m
In how many places did the object stop moving? How do you know?
Explanation:
The object stops moving in 5 places (namely B, D, F, H, and position after 28 seconds which isn't marked ).
We know that the object has stopped moving, since its position does not change with the passage of time i.e. at rest.
Ally put a cd in a cd player. If it pin with a frequency of 1800 RPM, what i the period pin of the cd?
The period (T) of a rotating object is the time it takes to complete one full rotation and is calculated as the reciprocal of its frequency (f). In this case, the frequency of the CD pin is 1800 RPM, which means it completes 1800 rotations per minute. To convert RPM to Hertz (Hz), divide the RPM by 60:
f = 1800 RPM / 60 sec/min = 30 HzSo, the period of the CD pin is:
T = 1 / f = 1 / 30 Hz = 0.03333 sec or 33.33 msAbout FrequencyFrequency is a measure of the number of occurrences of an event in a unit of time. The most widely used unit is the hertz, indicating the number of peaks of wavelength that pass a given point per second.
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