A variable mass body with an initial mass of 5 kg is moving with a velocity of 5 m/s initially, after some time the velocity increases to 10 m/s, what is the new mass if the body is moving in the absence of any external force?
A. 2.5 Kg
B. 5 Kg
C. 7.5 Kg
D. 10 Kg
Answer:A
A variable mass body with an initial mass of 5 kg is moving with a velocity of 5 m/s initially, after some time the velocity increases to 10 m/s, what is the new mass if the body is moving in the absence of any external force?
A. 2.5 Kg B. 5 Kg C. 7.5 Kg D. 10 Kg