The maximum height attained by a projectile and its horizontal range are equal to each other if the projectile is projected at an angle θ given by


Correct option is

The maximum height  and the horizontal range  are equal if 



When a projectile is at the highest point of its trajectory, the directions of its velocity and acceleration are


ball is projected horizontal with a velocity of 5 ms-1 from the top of a building 19.6 m high. How long will the ball take to hit the ground?


bomb is dropped from an aero plane when it is at a height h directly above a target. If the aero plane is moving horizontally at a speed v, the distance by which the bomb will miss the target is given by


missile is fired for maximum range at your town from a place in the enemy country 100 km away from your town. If the missile is first detected at its half – way point, how much warning time will you have? Take g = 10 ms-2.


cricketer can throw a ball to a maximum horizontal distance of 100 m. With the same effort, he throws the ball vertically upwards. What is the maximum height attained by the ball?