A car of mass 2000kg is traveling on a straight road at a speed of 15m/s. How much net force is needed to keep the car at this constant speed of another 5 seconds? A. 0
B. 667
C. 6000
D. 30000

What are the applications of electromagnetic waves

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?