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CUET
Physics
System of Particle and Rotational Motion
A bullet is fired from a gun at the speed of 280 m s−1 in the direction 30° above the horizontal. The maximum height attained by the bullet is (g = 9.8 m s−2, sin 30° = 0.5) : |
3000 m 2800 m 2000 m 1000 m |
1000 m |
Maximum Height is given by H=u2sin2θ2g=u2sin230o2g=u28g=28028×9.8=1000m |