A rock is kicked horizontally at a speed of 16 m/s from the edge of a cliff. The rock
strikes the ground 65 m from the foot of the cliff of height H
Neglect air resistance.
a) How long is the rock in the air?
b) What is the approximate value of H, the height of the cliff?
Answers: 1
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Which of the following represents an upright image? a. -do b. +m c. -m d. +do
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Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?
Answers: 1
A rock is kicked horizontally at a speed of 16 m/s from the edge of a cliff. The rock
strikes the...
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