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?

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?

anonymous · Answer

@ganeshie8 please help me again.

anonymous · Answer

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

anonymous · Answer

what's that equation?

ganeshie8 · Answer

$\large  u = 0$
$\large  a =   -g$

ganeshie8 · Answer

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

ganeshie8 · Answer

plugin the values