Problem 7.2. A 2000 kg car traveling at 20 m/s comes to rest on a level ground in a distance of 100 m. How large is the average frictional force tending to stop it? Work Power And Energy problem 2. Sindh Textbook Board (stb) problems

Problem 7.2. A 2000 kg car traveling at 20 m/s comes to rest on a level ground in a distance of 100 m. How large is the average frictional force tending to stop it?