## Question

Four projectiles are projected with the same speed at angles 20^{o}, 35^{o}, 60^{o}and 75^{o} with the horizontal. The range will be the longest for the projectile whose angle of projection is

### Solution

35^{o}

Range,

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#### SIMILAR QUESTIONS

From the top of a tower of height 40 m, a ball is projected upwards with a speed of 20 ms^{–1} at an angle of 30^{o} to the horizontal. If *g* = 10 ms^{–2}, after how long will the ball hit the ground?

A player throws a ball which reaches the other player in 4 seconds. If the height of each player is 1.8 m, what is the maximum height attained by the ball above the ground?

A projectile thrown at an angle of 30^{o} with the horizontal has a range *R*_{1}and attains a maximum height *h*_{1}. Another projectile thrown, with the same velocity, at an angle 30^{o} with the vertical, has a range *R*_{2} and attains a maximum height *h*_{2}. The relation between *R*_{1} and *R*_{2} is

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A body is projected horizontally from the top of a building 19.6 m high. How long will it take to hit the ground?

Given *g* = 9.8 ms^{–2}.