Question

Please help me out. :(

A body falls from rest. Find:
a. the distance it falls in 3 sec?
b. its speed after falling 1km?
c. the time required to attain a speed of 49 m/s?
d. the time in which it falls through 300 m?

Answer 1

@ganeshie8 please help me again.

Answer 2

Use the 1-dimensional kinematic equations that contain the givens/variables of each question

Answer 3

what's that equation?

Answer 4

\(\large u = 0\)
\(\large a = -g\)

Answer 5

\[\large s = ut + \dfrac{1}{2}at^2\]

Answer 6

plugin the values