Question

An object is moving with uniform acceleration. Its velocity after 4sec is 20m/sec and after 7 sec is 29m/sec. Find the distance travelled by the object in 10th second.

Answer 1

easiest way to calculate is
delta (4 to 7)=delta (7 to 10)
both time difference are equal and both velocity difference are equal
So

29-20/3=x-29/3
9=x-29
x=9+29
x=38m/sec