Suppose a sled is being pulled by a Bernese Mountain dog across the snow (his name was Berg). The 42.9 kg sled starts at rest

Question

Suppose a sled is being pulled by a Bernese Mountain dog across the snow (his
name was Berg). The 42.9 kg sled starts at rest and speeds up to 2.59 m/s over 5.64 m.
a) Calculate the change in kinetic energy of the sled.
b) Calculate the average net force on the sled.
c) Calculate the average power exerted on the sled this motion occurred over 10.7 s.

Kunduz · Accepted Answer

Click to see the answer