A ball is thrown straight down with an initial speed of 14.7 M per second from the the top of building 49 M high. find the time at which i it reaches the ground below
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HEYA DUDE ☺☺☺☺
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Given :
Initial speed =u= 14.7m/s
height =h=49mts
t=?
acceleration due to gravity =g=9.8m/s^2
v=0m/s ..since it reaches the ground after being thrown
Now,
v=u+at
0=14.7+9.8t
14.7=9.8t
t=14.7/9.8
=1.5 sec...
I'm not sure
___________________________
HERE IS YOUR ANSWER ✌✌
_________________________
ANSWER ☺☺
Given :
Initial speed =u= 14.7m/s
height =h=49mts
t=?
acceleration due to gravity =g=9.8m/s^2
v=0m/s ..since it reaches the ground after being thrown
Now,
v=u+at
0=14.7+9.8t
14.7=9.8t
t=14.7/9.8
=1.5 sec...
I'm not sure
Anonymous:
tnx buddy for brainliest
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