Question

A stone thrown at 20 m/s at angle q below the horizontal from a cliff of height H lands 48 m from the base 4 s later. Find
q and H.

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Answer 1

Explanation:

Time taken to reach the ground is given by

h=

2

1

gt

2

--------(1)

Since horizontal displacement in time t is zero

∴t=

f

2V

-------(2)

h=

f

2

2gv

2

=20m

Answer 2

Answer:

20 is correct answer please mark me branlist

Explanation:

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