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a piece of marble is projected from earths surface with velocity 50 m/s.2s later it just clear a wall 5 m high .what is the angle of projection?

a piece of marble is projected from earths surface with velocity 50 m/s.2s later it just clear a wall 5 m high .what is the angle of projection?

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3 Answers

VIKASH SEHWAG
19 Points
9 years ago

5=100SIN(X)-0.5 *10*0.25                                                                                                                                                     SIN(X)=0.2    

sarvagna surepeddi
14 Points
9 years ago

s=ut-1/2Gt2

Let angle be X

5=50sinx(2)-1/2(10)(4)

1/4=sinx

     x=sin inverse (1/4)

kingshuk ghosh
4 Points
9 years ago

why 0.25 taken?

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