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on a windy day a leaf is blown from 5m high central branch tree. As soon as it leaves the branch it is blown at 10ms-1 towards the East until it lands in a river flowing south. The leaf then floats...

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on a windy day a leaf is blown from 5m high central branch tree. As soon as it leaves the branch it is blown at 10ms-1 towards the East until it lands in a river flowing south. The leaf then floats down the river at 3ms-1 FOR 20 seconds until it gets caught on a rock. How far and in what direction from the base of the tree is the rock?
Answered Same Day Dec 23, 2021

Solution

David answered on Dec 23 2021
127 Votes
SOLUTION-
AS PER GIVEN STATEMENT IN QUESTION
Let us consider the vertical motion
UY = 0, aY = g and h=5 m, let g= 10 m/s
2
h= UY t + (1/2) aY t
2
t= √ (2h/g) = √ (2x5/10)
t= 1 sec
Horizontal distance travelled
SX= UX t + (1/2) aX t
2 but aX = 0
SX= UX t
SX= 10x1= 10...
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