Physics, asked by tanushkapakhale1Riya, 1 year ago

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

Answers

Answered by Anonymous
1
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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




Anonymous: tnx buddy for brainliest
tanushkapakhale1Riya: welcome
Anonymous: hmm
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