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A ball thrown vertically upwards with an initial speed of 30m/s from the top of a cliff falls into the water 10seconds later directly below the cliff. Find 1.How high the ball went above the cliff 2.How
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Nov 23, 2017
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A ball thrown vertically upwards with an initial speed of 30m/s from the top of a cliff falls into the water 10seconds later directly below the cliff. Find
1.How high the ball went above the cliff
2.How high the cliff is ,neglecting air resistance
Physics
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Paul Stearns
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1. KEi = PEf
(1/2)m(30)^2= m(10)h
h=45m
Ehennum
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Nov 24, 2017
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1. about 15 feet
2 depending the force of the air resictance, it could be many answers
Rohit Chaudhari
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Nov 29, 2017
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Rohit Chaudhari
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