Multiple Choice
A 1.6-kg block slides down a plane (inclined at 25° with the horizontal) at a constant speed of 2.0 m/s. At what rate is the frictional force changing the mechanical energy of the block?
A) +28 W
B) +13 W
C) −13 W
D) −28 W
E) +6.5 W
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q14: A 0.80-kg object tied to the end
Q15: When an automobile moves with constant velocity
Q16: A single conservative force F<sub>x</sub> = (6.0x
Q17: Objects A and B, of mass M
Q18: Two equal masses are raised at constant
Q20: As a result of friction between internal
Q21: An all-terrain vehicle of 2000 kg mass
Q22: At what rate is the gravitational force
Q23: A 12-kg projectile is launched with an
Q24: A 1.2-kg mass is projected up a