After rolling halfway down an incline, a marble's kinetic energy is
A) less than its potential energy.
B) greater than its potential energy.
C) the same as its potential energy.
D) impossible to determine.
Answer: C
After rolling halfway down an incline, a marble's kinetic energy is
A) less than its potential energy.
B) greater than its potential energy.
C) the same as its potential energy.
D) impossible to determine.