A constant retarding force of 50 N is applied to a body of mass 20 kg moving initially with a speed of 15 ms-1. How long does the body take to stop?
A. 0.75 s
B. 1.33 s
C. 6 s
D. 35 s
Answer:A
A constant retarding force of 50 N is applied to a body of mass 20 kg moving initially with a speed of 15 ms-1. How long does the body take to stop?
A. 0.75 s B. 1.33 s C. 6 s D. 35 s