- CH.PHYSICS

# MOTION IN A PLANE IMPORTANT QUESTIONS CLASS 11

** **__MOTION IN A PLANE__

__MOTION IN A PLANE__

## 1. Derive an expression for a) Maximum height and b) Range of the projectile. 5 M

## 2. Show that the path of the projectile is parabola. 5 M

## 3. A particle is projected with a velocity u. So that it’s horizontal range and maximum height reached are equal. The maximum height reached is? 3 M

## 4. A boy can throw a ball 40m vertically upward. The greatest horizontal distance he can throw the same is ? 2 M

## 5. The speed of a projectile at its maximum height is 6 m/s If it stays in the air for a total time of 8 seconds, its horizontal range is? 2 M

## 6. A projectile is thrown to have maximum horizontal range on the ground. The ratio of the horizontal and vertical components of its initial velocity is 2 M

## 7. A projectile is fired at an angle of 45 degrees and reaches the highest point in its path in 2 sec. If air resistance is neglected, maximum height reached by it is 2 M

## 8. At the height point of a projectile its velocity is half the initial velocity in magnitude. The angle of projection from ground is? 2 M

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