please answer it fast as much as U can..
Attachments:
Answers
Answered by
1
Time taken to reach the ground=3s
h=ut+1/2gt^2
h=0×3+1/2×10×3×3
h=45m
time taken by the stone to cross first floor=3/4s
h=ut+1/2gt^2
h=0×3+1/2×10×3/4×3/4
h=45/16m
no. of floors= total length/ length of one floor
=45/(45/16)
=16 floors
h=ut+1/2gt^2
h=0×3+1/2×10×3×3
h=45m
time taken by the stone to cross first floor=3/4s
h=ut+1/2gt^2
h=0×3+1/2×10×3/4×3/4
h=45/16m
no. of floors= total length/ length of one floor
=45/(45/16)
=16 floors
sharve:
thanks
can u answer another question
Similar questions