Deck 20: Conservation Laws

Question 1

The energy that has yet to be liberated or used is called ___.

A) kinetic
B) chemical
C) nuclear
D) potential

Answer 1

potential

Question 2

A spinning body has this property:

A) chemical energy
B) angular momentum
C) gravity
D) potential energy

Answer 2

angular momentum

Question 3

In Einstein's theory we conserve

A) mass and energy.
B) kinetic and potential.
C) nuclear.
D) spin.

Answer 3

mass and energy.

Question 4

When an asteroid hits the Earth, most of its kinetic energy ends up as

A) gravitational potential energy.
B) chemical energy.
C) thermal energy.
D) more kinetic energy.

Question 5

The energy formula for escape velocity is ________________________.

Question 6

________ is the energy of motion.

Question 7

For a closed system, energy is never conserved.