Solved papers for JEE Main & Advanced JEE Main Paper (Held On 12 April 2014)
done JEE Main Paper (Held On 12 April 2014) Total Questions - 2
question_answer1) Three masses m, 2m and 3m are moving in x-y plane with speed 3u, 2u and u respectively as shown in figure. The three masses collide at the same point at P and stick together. The velocity of resulting mass will be:
[JEE Main Online Paper ( Held On 12 Apirl 2014 )
question_answer2) A spring of unstretched length l has a mass m with one end fixed to a rigid support. Assuming spring to be made of a uniform wire, the kinetic energy possessed by it if its free end is pulled with uniform velocity v is:
[JEE Main Online Paper ( Held On 12 Apirl 2014 )