A force of 40 N is responsible for the motion of a body governed by the equation s = 2t + 2x ² where s is in meters and t in sec. What is the momentum of the body at t = 2 sec?
[Hint: Find acc. then m = F/a & p = mv]

Question

A force of 40 N is responsible for the motion of a body governed by
the equation s = 2t + 2x 2
where s is in meters and t in sec What is the
momentum of the body at t = 2 sec?
[Hint: Find acc then m = F/a & p = mv]

Vijay Shankar Yadav · Accepted Answer

Dear Student,
here given  s=2t+2t2then v=dsdt=2+4tand a=dvdt=4so F=ma  40=m×4m=10kgand v=10m/s    at t=2sso momentum=mv=10×10=100kgm/s
Regard

A force of 40 N is responsible for the motion of a body governed by the equation s = 2t + 2x 2 where s is in meters and t in sec. What is the momentum of the body at t = 2 sec? [Hint: Find acc. then m = F/a & p = mv]

A force of 40 N is responsible for the motion of a body governed by the equation s = 2t + 2x ² where s is in meters and t in sec. What is the momentum of the body at t = 2 sec?
[Hint: Find acc. then m = F/a & p = mv]