A ball is thrown vertically upwards …
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Ankit Kumar 8 years, 11 months ago
distance travelled by the ball between is final height and ground
H+h=0x6+9.8x62 where h is the height of the tower and H is the height between top of the tower and final point in the air
H+h=176.4m...................eq1
now when it started going upward, according tonewtons equation of motion
v2=u2 -2gH
0=192-2x9.8H
H=18.418m
now on putting the value of H in eq.1
we get required height of tower h=157.982m
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