A particle moves along a straight line OX. At time t distance x the particle from O is given by x = 40 + 12t - t^3.

+3 votes
58 views
asked Jun 29, 2017 in Physics by HariOm Vaja (2,713 points) 4 30 134
How long will it take for the particle to travel before coming to rest?

A) 16m
B) 24m
C) 40m
D) 56m

2 Answers

+2 votes
answered Jun 29, 2017 by Abhishek Kumar (14,593 points) 5 9 35
 
Best answer

Answer:

It will be 16m

0 votes
answered Jun 29, 2017 by HariOm Vaja (2,713 points) 4 30 134
Is it 56m or 16m?

And whichever the choice may be, but how do you decide it?

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