Question

a gun has a muzzle velocity of 60m/s at what angle should it be aimed to strike a target 320 m away? ignore the air resistance
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Answer 1

_______PRATEEK___________

Explanation:

Let 'x' be unknown angle , so

we know Range = u^2 Sin(2x)/g =320 ,

here only unknown is "x" and on putting u=60 we get x= 1/2arc sin 8/9

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Answer 2

Answer:

30.3   Put #=Thetah

Explanation:

R=u^2sin2#

     g

R=320

60x60sin2#=320x9.8

sin2#=320x9.8/60x60

sin2#=0.87=sin60.6

2#=60.6

#=30.3