complete NLM

Two blocks of masses m1​ and m2​ are connected by a spring of spring constant k. The block of mass m2​ is given a sharp impulse so that it acquires a velocity v0​ towards right. Find the maximum elongation that the spring will suffer.

• (m₁m₂/m₁+m₂)^1/2V₀

• (m_1-m₂/m₁+m₂)^1/2 V₀

• (m₁₊m₂/m₁-m₂)^1/2 V₀

• (2m₁m₂/m₁+m₂)^1/2V₀

K₁= 16 N/m, K₂= 48 N/m and A= 2 cm

• .5 cm

• 1 cm

• 1.5 cm

• 2 cm

A particle is projected at angle 53 degree from horizontal with speed of 20 m/s. find it's radius of curvature at a point where it making angle 37 degree from horizontal.

• 125/4 m

• 125/8 m

• 225/8 m

• none of these

A particle moving with variable velocity with time v= t²+t+1. find average velocity for t=0 to t=2 seconds.

• 7 m/s

• 3.5 m/s

• 3.33 m/s

• 6.66 m/s

• 0 m/s

• 5 m/s

• 10 m/s

• 20 m/s

• a

• b

• c

• d

a particle of mass 2 kg is hanging to the ceiling by a string of length 2 m. A horizontal velocity is given to particle such that it was not able to complete the circular motion because the tension become zero before completing the circle. what is the initial velocity?

• 5 m/s

• 6 m/s

• 7 m/s

• 10 m/s

• 1

• 2

• 3

• 4