Question

52. A body starts with some initial velocity along a straight
line. After 3 s it is found to be at a distance of 15 m from
the starting point. At 4 s it is at starting point. What
is the initial velocity of the body? Assume constant
acceleration.
(a) 20 ms
(b) 10 ms)
(c) 5 ms-
(d) 15 ms-​

Answer 1

Answer:

the initial velocity of body is 20ms