Question 1 (1 point) al Gravitational potential energy is The gravitation consta

Question

Question 1 (1 point) al Gravitational potential energy is The gravitation constant times mass-squared divided by distance-squared The area under a gravity force-versus-time graph Mass times the acceleration due to gravity times vertical position. ½ mass times speed-squared. Velocity per unit mass. Save Question 2 (1 point) Mechanical energy is o The sum of kinetic, potential, thermal, and elastic energy The sum of kinetic energy plus potential energy. The energy of position. The energy due to internal moving parts. The energy of motion. Save

Explanation / Answer

1] Mass times the acceleration due to gravity times vertical position

The equation for gravitational potential energy is GPE = mgh, where m is the mass in kilograms, g is the acceleration due to gravity (9.8 on Earth), and h is the height above the ground in meters.

2] The sum of kinetic energy plus potential energy

  In the physical sciences, mechanical energy is the sum of potential energy and kinetic energy. It is the energy associated with the motion and position of an object.

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