Question

An object of mass 100kg is accelerated uniformly from a velocity of 5m/s to 8m/s in 6 sec.Calculate the initial and final momentum of the object.Also find the magnitude of the force exerted on the object???

Answer 1

hey friend
see the attachment
pls don't go on writing
it's my brother's handwriting
....
if i will able to i will edit in my handwriting


HOPE HELPS

Answer 2

m = 100 kg
u = 5 m/s
u = 8 m/s
l = 6 s

Initial mumertum = m×4
= 100×5
= 500 kg m/s

Final momertum = m×v
= 100×8
= 800 kg m/s

foxe, f = my - mu÷t
f = 800-500÷8
f = 50 N