At what angle of elevation, should a projectile be projected with velocity 20 m/s, so as to reach a maximum height of 10 m? 1) 0° 2) 90° 3) 45° 4) 60°

Question

Arun · Answer

Dear Aabha Hmax = u^2 sin^2@ / 2g 20 = 20^2 * sin^2 @ / 10 200/400 = sin^2@ sin@ = 1/ sqrt(2) @ = 45 degrees

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At what angle of elevation, should a projectile be projected with velocity 20 m/s, so as to reach a maximum height of 10 m? 1) 0° 2) 90° 3) 45° 4) 60°

At what angle of elevation, should a projectile be projected with velocity 20 m/s, so as to reach a maximum height of 10 m?

1) 0°
2) 90°
3) 45°
4) 60°

1 Answers

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At what angle of elevation, should a projectile be projected with velocity 20 m/s, so as to reach a maximum height of 10 m? 1) 0° 2) 90° 3) 45° 4) 60°

At what angle of elevation, should a projectile be projected with velocity 20 m/s, so as to reach a maximum height of 10 m? 1) 0° 2) 90°3) 45° 4) 60°

1 Answers

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At what angle of elevation, should a projectile be projected with velocity 20 m/s, so as to reach a maximum height of 10 m?

1) 0°
2) 90°
3) 45°
4) 60°