A ball is thrown from a roof top at an angle of `45^@` above the horizontal. If hits the ground a few second later. At what point during its motion , does the ball have
Smallest speed.

A ball is thrown from a roof top at an angle of 45^@ above the horizontal. If hits the ground a few second later. At what point during its motion , does the ball have Smallest speed.

A ball is thrown from a roof top at an angle of 45^@ above the horizontal. If hits the ground a few second later. At what point during its motion , does the ball have Greatest speed.

A ball is thrown from a roof top at an angle of 45^@ above the horizontal. If hits the ground a few second later. At what point during its motion , does the ball have Greatest acceleration?

A bullet fired at an angle of 30^@ with the horizontal hits the ground 3.0 km away. By adjusting its angle of projection, can one hope to hit a target 5.0 km away? Assume the muzzle speed to be fixed and neglect air resistance.

A bullet fired at an angle of 30^@ with the horizontal hits the ground 3.0 km away. By adjusting its angle of projection, can one hope to hit a target 5.0 km away ? Assume the muzzle speed to be fixed, and neglect air resistance.

A projectile is fired at an angle of 45^@ with the horizontal.Elevation angle of the projectile at its highest piont as seen from the point of projection is :