Question

An object is thrown from a building rertically downwand
with speed 10m/s find the time to reach the ground if height
al building is 100m
​

Answer 1

Explanation:

LET THE SPEED BE 'u'.

u=10 m/s.

LET THE HEIGHT OF THE BUILDING BE 'h'.

h=100m.

THE FORMULA TO FIND TIME IS...

$\sqrt{2h \div g}$

G=10 M/S^2......

PUTTING ALL VALUE...

T=√2H/G..

√2*100/10

√200/10

√20

2√5 SEC......

Answer 2

Hi mate

Refer the attachment

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