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a shell burst on contact with the ground and peices from it fly in all directions with max velocity about 50 feets/s.show that man 100 feet away is in danger for how much time????g =32feet/sec^2

a shell burst on contact with the ground and peices from it fly in all directions with max velocity about 50 feets/s.show that man 100 feet away is in danger for how much time????g =32feet/sec^2

Grade:12

1 Answers

Raghav
15 Points
2 years ago
Give u=50& R=100fe ; g= 32m/s²
R=u²sin2Q/g 
Then' angle Comes(two values are coming)
Put T=2usinQ/g(for both the value of angle)
t2-t1=answer

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