Question

A flowerpot drops from the edge of the roof of a multistoried building. Calculate the time taken by the pot go cross a particular distance
$\rm{A}$$\rm{B}$ of height 2.9m ,the upper point A being 19.6 m below the roof. ​

Answer 1

Answer:

For motion from B to C

 

t=0.5s,s=BC=2 m 

Velocity at B is uB

s=uBt+21gt2⇒uB=1.5 m/s

For motion from A to B 

s=AB=h,uA=0vB=uB=1.5 m/s

vB2=uA2+2gh or

(1.5)2=0+2(10)horh=0.1125m=11.25cm

Answer 2

Answer:

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