what is the speed does a meter stick move if its length is observed to shrink to 0.5 m?
Q: what is the kinectic energy of this Object at this point
A: Answer is 0.5 J. Find explanation in next step .
Q: A 35 kg girl runs up a flight of stairs that is 35 m high. How much work does this require?
A: The work done is equal to the change in gravitational potential energy. that is, W=Uf-UiW=mgh-0W=mgh
Q: Work equals force times
A: Work is a measure of the energy used in applying a force to move an object.
Q: A light aircraft that weighs 1600 N is accelerated at 8m/s/s for 15 seconds. The work done on the…
A:
Q: A fielder tosses a 0.15 kg baseball at 29 m/s at a 24 ∘ angle to the horizontal.What is the ball's…
A: The kinetic energy of the basketball at the start of the motion is given by, KE=12mv2 Here, m is the…
Q: An object is dropped from a height of 12 m. At what height will its kinetic energy and its potential…
A: Height from which object is dropped (H) = 12 m Let mass of object = m Height at which its kinetic…
Q: A compact car can climb a hill in 10 s. The top of the hill is 30 m higher than the bottom, and the…
A: Calculate the potential energy of the car at the top of the hill. PE=mgh =1000 kg9.81 m/s230 m…
Q: When does and object transform from kinetic to potential energy?
A: When does an object transform from kinetic to potential energy? Explain:- kinetic energy:-…
Q: A boy sees a rope swing and runs at it, grabbing the rope and swinging on it. If the boy was running…
A: Given: Speed of the boy v= 4.5 m/s To calculate: How high he would swing
Q: Is the velocity equal to the Kinetic energy?
A:
Q: Afarmer has a 200 kg barrel that he must pull up a ramp to a helght of 5 m. His old horse can apply…
A: Given information: Here, m is the barrel’s mass, F is the maximum force applied on the barrel for…
Q: compact car can climb a hill in 10 s, the top of the hill is 30 m higher than the bottom, and the…
A:
Q: A racing car has a mass of 1600 kg. What is its kinetic energy if it has a velocity of 60 m/s?
A: Given data: The mass of the racing car is, m= 1600 kg The velocity of the car is, v= 60 m/s Formula…
Q: A football weighing 5 N is dropped from a height of 4.1 m above the ground. What is the kinetic…
A:
Q: baseBall A has a mass of 50 kg and is raised to a height of 5 m. baseBall B has a mass of 100 kg and…
A:
Q: koibok slides down a 3 m lông 30 degree incline and then transilions to a flat iictiontess fHce Thể…
A:
Q: Compare the kinetic energy of a 22,000 kg truck moving at 145 km/h with that of an 83.0 kg astronaut…
A: Given data: Mass of truck (mt) = 22,000 kg Velocity of truck (vt) = 145 km/h Mass of astronaut (ma)…
Q: An object has kinetic energy of 74J. If its speed is 5.2 m/s, waht is its mass? Gravity is 9.8ms and…
A:
Q: Q12. For an object to have gravitational potential energy only, it must be O Falling O Moving O At…
A: Any object accelerate, falls and moves if it has kinetic energy. According to given problem,…
Q: Velocity Mass = 18 kg Calculate kinetic energy? 11 15 m/s
A: Given data: Velocity (v) = 15 m/s Mass (m) = 18 kg Required: Kinetic Energy (KE)
Q: if a person throws a wiggle ball and a tennis ball with the same speed which object will travel with…
A:
Q: Find the rock’s speed when hitting the surface of the moon.
A: Given Speed with which rock was launched from surface of moon u = 24 m/s Acceleration of rock a =…
Q: a shot putter hrows a 6kg shot with a final velocity of 7m/s. What is the kinectic energy of the…
A: Given that, A shot putter throws a 6 kg shot with a final velocity of 7 m/s Mass = 6 kg Velocity =…
Q: The kinetic energy of a motorcycle and driver is 62,735 J if their total mass is 500 what is the…
A: Given data: Kinetic energy (KE) = 62,735 J Mass (m) = 500 kg Required: The velocity (v)
Q: The unit of . .is Kg.m/s2. * Mass O Power O Energy Acceleration Weight
A:
Q: A car goes down a frictionless 100 incline for 1 m. What is it’s final velocity?
A: Given Data : The distance travelled by car is given as s = 1m. The angle of inclination of the plane…
Q: 2.5 kg stone falls from rest. What is its momentum after 4 seconds?
A: Given Initial velocity of stone is v0=0 Acceleration due to gravity is ay=9.80 m/s2 Time t= 4 s Mass…
Q: after rolling up a 0.25 m tall hill, the 0.10kg ball is moving at 3m/s. How fast was it rolling…
A: Height of the hill (h) = 0.25 m Mass of the ball (m) = 0.10 kg Speed at hill (v) = 3 m/s
Q: A 1-kg object is dropped from a he ight of 100 m. What is its potential energy?
A:
Q: f an object of mass 38kg has a kinetic energy of 230J, what is its velocity? Gravity is 9.8ms
A: Given Kinetic energy of an object is K=230 J Mass of an object is m=38 kg
Q: A compact car can climb a hill in 10s. The top of the hill is 30m higher than the bottom, and the…
A:
Q: If a 1.3 kg ball is dropped from the top of a 33.7 meter tall building, what is the balls potential…
A: The ball's mass is, m=1.3 kg The height of the building is, h=33.7 m
Q: How much work is done when moving a box 25 m with a net force of 30 N?
A:
Q: When the speed of a car is doubled, the car's
A: When speed of car is double i e v' = 2v . And we know Momentum = mv Interia depends on…
Q: What velocity does a 1 kg object have when its kinetic energy is 1 J?
A: Given : Mass (m) = 1 kg Kinetic energy (K) = 1 J
Q: A ball is thrown upward at 5 m/s from a roof 10 m high. It speed when it reaches the ground is
A:
Q: A jump can push water at a height of 8 m at a rate of 2 kg/s. What is the power outpu
A: We know thatP=Et (1)WhereP=PowerE=Energyt=time takenEnergy is equal to…
Q: What is the minimum speed that the golf balls need to be hit to have a chance at creating escape…
A: let's consider an object of mass at the surface of a celestial body (e.g., Earth) with mass .The…
Q: Jalen, whose mass is 55kg, stands at the top of a 3.5 meter tall diving board above the pool. How…
A: where, acceleration due to gravity, g = 9.8 m/s2.
Q: The figure gives the unit circle for the x and y axis. The center of mass x and y of the shaded area…
A: Given : x2+y2 =1
Q: Q12. For an object to have gravitational potential energy only, it must be O Falling O Moving At an…
A: Gravitational potential energy is the energy possessed by a body by virtue of its position with…
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