The equation used to solve for gravitational potential energy is: GPE = mgh %3D How can we rearrange this equation to solve for the height of an object? GPE a) h = GPE mg c) h = mg b) h = GPE - m d) h = GPE g %3D 6. E

The rate of energy use in a typical house is about 2 kW. If the kinetic energy of a car (mass 1358 kg) is equal to the total energy used by the house in 1 min, what is the car's speed? m/s

45.) Which of the following would describe gravitational potential energy? a. a book sitting on a shelf b. a rubber band stretched in an upward direction c. an apple sitting on the counter

A 73.1-kg skier rides a 2520-m-long lift to the top of a mountain. The lift makes an angle of 17.2 ° with the horizontal. What is the change in the skier's gravitational potential energy? Number i Units

If 2.4 J of work is needed to stretch a spring from 10 cm to 14 cm and another 4 J is needed to stretch it from 14 cm to 18 cm, what is the natural length (in cm) of the spring? cm

QUESTION 9 While moving a package up and down on a storage shelf the mover does +500 J of work and gravity does-500 J of work. Which statement is true about the Potential Energy and the Kinetic Energy of the package: A. The Potential Energy of the package is decreased. B. The Potential Energy of the package is increased. C. The Kinetic Energy of the package is increased. D. The Kinetic Energy of the package is decreased. E, The Potential Energy of the package does not change.

The unit of work, joule, is dimensionally the same as: a. Newton‑meter    b. Newton/kilogram.                      c. kg•m2/s2            d. a and c               e. a and b                                     f. b and c

If 54 J of work is needed to stretch a spring from 16 cm to 22 cm and another 90 J is needed to stretch it from 22 cm to 28 cm, what is the natural length (in cm) of the spring? cm

The most wonderful thing about Tiggers is that their tops are made out ofrubber and their bottoms are made out of springs. Suppose Tigger wants to reach some honey located a height ℎ above the ground. If Tigger has a mass of m and his tail has a spring constant of k, how much must he coil his tail in order to reach the honey? A. (mgh/k) B. = √(mgh/k) C. (2mgh/k)D. √(2mgh/k)E. None of these

Question on Physics - Unit - Work and Energy Which of the following statement correctly describes the relationship between an objectsgravitational potential energy and its height above the ground? A. Proportional to the square of the objects height above the groundB. Directly proportional to the objects height above the groundC. Inversely proportional to the objects height above the groundD. Proportional to the square root of the objects height above the ground