The position-Time Graph of a body of mass 2kg is attached with the question.What is the impulse on the body at t=0s and t=4s ?

Please answer

Asked by prabal | 30th Sep, 2018, 01:59: PM

Expert Answer:

From graph,
At t=0, u= 0 and v = 3/4 m/s 
Thus, 
Impulse = m (v-u) = 2 (3/4 - 0) 
I (at t = 0) = 1.5 kg m/s 
 
At t= 4s, v= 0 and u= 3/4 m/s
Thus,
impulse = 2(0- 3/4) = -1.5 kg m/s
 

Answered by Shiwani Sawant | 1st Oct, 2018, 03:29: PM