The initial speed of an arrow shot from a bow, at an elevation of `30^(@)," is "15 ms^(–1)`. Find its velocity when it hits the ground back

Find the speed of the projectile when it hits the ground.

If a projectile is projected with initial speed u and angle theta from horizontal then what will be its average power up to time when it will hit the ground again ?

If a projectile is projected with initial speed u and angle theta from horizontal then what will be its average power up to time when it will hit the ground again ?

When an arrow is shot from a bow, it has kinetic energy. From where does it get the kinetic energy ?

A projectile projected with initial velocity 20m/s and at and angle of 30^(@) from horizontal. Find the total work done when it will hit the ground.

A projectile projected with initial velocity 20m/s and at and angle of 30^(@) from horizontal. Find the total work done when it will hit the ground.

When an arrow is shot from a bow, it has kinetic energy in it. Explain briefly from where does it get its kinetic energy.

A boy in the elevator shoots a bullet in a vertical upward direction from a height of 1.5 m above the floor of the elevator. There is no roof in the elevator. The floor of the elevator is at 50 m from ground at the instant when velocity of the elevator is 10 m/s in upward direction. The bullet strikes the floor of the elevator in 2 seconds. The initial speed of the bullet is 15 m/s relative to the elevator. Q. Find the maximum height reached by the bullet relative to the ground :

A boy in the elevator shoots a bullet in a vertical upward direction from a height of 1.5 m above the floor of the elevator. There is no roof in the elevator. The floor of the elevator is at 50 m from ground at the instant when velocity of the elevator is 10 m/s in upward direction. The bullet strikes the floor of the elevator in 2 seconds. The initial speed of the bullet is 15 m/s relative to the elevator. Q. Find the maximum height reached by the bullet relative to the ground :