a ball is thrown downward from the top of building and reaches the ground in 3 sec what is the height of building
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ʜᴇʟʟᴏ ᴍᴀᴛᴇ!
Here, things to be noticed are
A ball is thown from up to down, from terrace hence,
u ( initial velocity ) = 0
Time taken = 3s
Acceleration due to gravity = 10 m/s²
s = ut + 1/2 ( at² )
s = (0)(3) + 1/2 (10)(3)²
s = 0 + 5*9
s = 45 m
Hence, height of building is 45 m.
Hope it helps
Here, things to be noticed are
A ball is thown from up to down, from terrace hence,
u ( initial velocity ) = 0
Time taken = 3s
Acceleration due to gravity = 10 m/s²
s = ut + 1/2 ( at² )
s = (0)(3) + 1/2 (10)(3)²
s = 0 + 5*9
s = 45 m
Hence, height of building is 45 m.
Hope it helps
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