Laws of MotionHard
Question
A 10 kg wagon is pushed with a force of 7N for 1.5 second, then with a force of 5 N for 1.7 seconds, and then with a force of 10 N for 3 second in the same direction. What is the change in velocity brought about ?
Options
A.9.8 m/s
B.19.6 m/s
C.4.9 m/s
D.10 m/s
More Laws of Motion Questions
Objects A and B each of mass m are connected by light inextensible cord. They are constrained to move on a frictionless ...A toy car with charge q moves on a frictionless horizontal plane surface under the influence of a uniform electric field...Two masses of 10 kg and 20 kg respectively are connected by a massless spring as shown in figure. A force of 200 N acts ...A block A of mass m is placed over a plank B of mass 2m. Plank B is plank over a smooth horizontal surface. The coeffici...A spring of force constant 800 N/m has an extension of 5 cm. The work done is extending it from 5 cm to 15 cm is...