## Angle of projection for which R = H … msa

Question 12: What is the angle for which the maximum height reached and corresponding range are equal? Answer We know that the range of a…

## To prove that R = 4H in projectile motion … msa

Question 11: For any specific velocity of projection, the range of projection cannot exceed from the value equal to four times of the corresponding height.…

## Angle of projection of projectile for which K.E at summit is one-fourth of K.E at point of projection … msa

Question 10: Calculate the angle of projection for which K.E at summit of its trajectory is equal to one-fourth of its K.E at point of…

## Bomb dropped from the plane … msa

Question 9: An aero plan while traveling horizontally, dropped a bomb when it was exactly above the target. The bomb missed the target. Explain. Answer…

## A ball hit by bat goes longer than tossed by hand … msa

Question 8: Why we can hit a long sixer in a cricket match rather than if we toss a ball ourselves? Answer Usually, a long…

## Advantages of the crumpled zone car design … msa

Question 7: Modern cars are not rigid but are designed to have crumpled zones that collapse upon impact. What is the advantage of this new…

## Momentum of the inflated balloon … msa

Question 6: When you release an inflated   (پھولا ہوا ۔۔۔ پڑسیدلے) but untied balloon, why does it fly across the room? Answer Two concepts need…

## Follow through with the ball makes it travel greater distance … msa

Question 5: The cricket coach explains that the follow through with the shot will make the ball travel a greater distance. Explain the reasoning in…

## Weight and normal reaction … msa

Question 3: When you stand still on the ground, how large a force does the earth exert on you? Why doesn’t this force make you…

## A body can reverse direction when the acceleration is constant … msa

Question 2: Can the velocity of a body reverse direction when acceleration is constant? If you think so give an example. Answer Yes, this is…