Question

A particle moving along the x-axis travels for 3 metre distance with velocity 3 metre per second and the second 3 metre distance with velocity 6 metre per second the velocity of the particle is​

Answer 1

x=6+7t+10t^2 meter. What is intial velocity of the particle?

4 Answers

Abhishek Bhatt

Abhishek Bhatt, studies Electronic Communications Engineering Student & Beatboxing at G.B Pant University of Technology, P...

Answered Jan 23, 2018

If you know differentiation….

Firstly,differentiate the given equation w.r.t. t(time)….

dx/dt=0+7+(2×10)t^2-1

dx/dt=20t+7

since,dx/dt=initial velocity

Therefore, The initial velocity: v=20t+7 m/s