Question

18. A stone is dropped from the roof of a five storey building. The height of each storey is
2m
4m. Calculate the velocity with which the stone will hit the ground. (g=10m/s)
and weight of an object.
2m​

Answer 1

Answer:

Step-by-step explanation:

Let ′h′ be height of each storey of building using s=ut+  

2

1

​  

at  

2

 

16h=0×4+  

2

1

​  

×10×4  

2

 

h=5.25  

s

m

​  

 

Distance covered in 1st second

s  

n

​  

=u+g(n−  

2

1

​  

)

=0+10(1−  

2

1

​  

)

=5