Question

from the diagram
if time of flight is 20sec
find intial velocity'
(Take g = 10 m/s²
45
45​

Answer 1

Answer:

T=

gcosβ

2vsin(α+β)

Here, α=0; β=45

0

∴T=

gcosβ

2usinβ

so time of flight will be, T=

10

20

=2sec

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Answer 2

Answer:

sorry don't know..

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