Question

a car falls off ledge and drops to the ground in 0 .5s let g=10m5'2 1 )what is its speed on striking the ground
2)what is its average speed during 0.5 a
3)how high the length from the ground
​pls guys tell me it is most important

Answer 1

Explanation:

u=0

t=0.5s

a)v=u+gt

v=0+10*0.5

v=5ms-1

b) average speed=total distance/total time

so,

s=ut+1/2gt^2

s=0*0.5+1/2*10^2

s=50m

so,

average speed=50/0.5=100ms-1

c) height=50m.

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