The change in the potential energy of the car is

Q: By how much does the gravitational potential energy of a 52-kg pole vaulter change if her center of…

A: Given data The mass is m=52 kg The change in height is, ∆h=4.0 m

Q: 4. An archer's bow allows you to store potential energy by bending the bow. This energy is released…

A: The displacement of the bow when pulling back the bowstring, d=-90 cm The force applied, F=-120 N…

Q: A weightlifter lifts a 50 kg bar from the floor to a position over his head and back to the floor…

A: To find energy transformations that has taken place, by the weightlifter. Given, Mass of bar, m = 50…

Q: "At a post office, a package of mass 1.3 kg is pushed down a slanted chute with an initial speed of…

A:

Q: The question "What is the change in the kinetic energy of the car?" was not solved correctly, is…

A: Given data: Mass of the car, m=1310 kg Initial velocity of the car, vi=79 km/hr=793.6=21.94 m/s…

Q: What is the king energy at the bottom of the ramp? 50 J 30 J 20 J 80 J KE=30J PE=20J KE = ? PE=?…

A: Given: The kinetic energy at a given point is 30 J. The potential energy at a given point is 20 J.

Q: In the above image the crate starts at rest on top of a 4 meter high hill. The Person applies an 800…

A: Newton's second law of motion states that the acceleration of an object is directly proportional to…

Q: How fast must a 3,025-kg elephant move to have the same kinetic energy as a 65.0-kg sprinter running…

A:

Q: Q14: A constant force of (81) N acts on a 4.0-kg object as it moves from the origin to the -c) 72 J…

A: "According to the company policy we can answer only one question. Kindly repost the remaining…

Q: ive an example equation for an egg picking up speed from 2 feet in the air down a hay filled ladder…

A: When an object of mass m is drop from height h then it is initially at rest which is having a…

Q: If a 1.5 kg chicken is running with a speed of 10.0 m/s, its kinetic energy is:   Question 19…

A: Given data:  Mass (m) = 1.5 kg Speed (v) = 10.0 m/s Required: Kinetic energy

Q: What is the ultimate source of energy for fossil fuels, dams, and windmills?

A:

Q: When the work done on the car is positive, its kinetic energy none of the choices…

A: Work done is defined as the change in kinetic energy. A positive work done increases the kinetic…

Q: two bodies a and b between them is a compressed spring when the spring is released it pushes both…

A: Here, From the conservation of momentum,

Q: Is the energy bar for a firefighter sliding down a fire pole from the second floor to the ground

A: The potential energy of an object above height h from the ground is given by mgh.

Q: m A person is pushing a wooden crate of mass mo = 20 kg at a constant speed vo = 1.2– for Ax = 3 m…

A: Given: Mass of the wooden crate, mo = 20 kg Speed of the crate, vo = 1.2 m/s Distance moved, ∆x = 3…

Q: The gravitational potential calculation was larger than the direct measurement based on velocity.…

A: The total energy of the system is always conserved so the central concept behind the concept is not…

Q: A AA battery is used to power a motor that raises a 10-g pencil tied to a string 33 meters until it…

A: Mass m of the pencil =10g=0.01kgheight h through which it is raised = 33mg the acceleration due to…

Q: You observe a car of mass 500 kg, moving at speed 5 m/s, collide with a 100 kg trailer that was at…

A:

Q: a 1 kg flower pot has 20 J of energy when resting on a window ledge. how high is the window from the…

A: Given, the potential energy of flower pot =20 Jand mass of flower pot =1 kgwe have to calculate the…