please explain your answer I will mark it as brainliest answer
Attachments:

Answers
Answered by
1
S(height)=180 m
U for stone A= 0 m/s
And a= 10 m/s
So,
v²=2as+u²
v²=2×10×180
v√3600
v=60 m/s
So to find the time ,
S=ut+1/2at²
180=1/2×10×t²
√36=t
t=6 s
But for B the time taken would be 6/2 s= 3s
For stone B the u = 0 m/s
So,
v=u+at
u=at -0
u=10×3 m/s
u=30 m/s
So d is correct
Similar questions
Hindi,
4 months ago
Political Science,
4 months ago
World Languages,
4 months ago
Physics,
9 months ago
Hindi,
9 months ago
Science,
1 year ago
Geography,
1 year ago