A bullet fired from a gun with a velocity of 140 m/sec strikes the ground at the same level as the gun at a distance of 1 km .Find the angle of inclination with the horizontal at which the bullet is fired.
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32
Since the ground is level, we can use the range equation to determine the angle of inclination.
Range = v^2/g * sin 2θ
1000 = 140^2/9.8 * sin 2 θ
sin 2 θ = 1000 * 9.8 ÷ 140^2 = 9800 ÷ 19,600 = 0.5
2 θ = 30˚
θ = 15˚
Answered by
4
Answer:
Explanation:
Since the ground is level, we can use the range equation to determine the angle of inclination.
Range = v^2/g * sin 2θ
1000 = 140^2/9.8 * sin 2 θ
sin 2 θ = 1000 * 9.8 ÷ 140^2 = 9800 ÷ 19,600 = 0.5
2 θ = 30˚
θ = 15˚
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