Motion in Plane

If (range)² is 48 times (maximum height)², then angle of projection is

If (range)² is 48 times (maximum height)², then angle of projection is Options (a) 45° (b) 60° (c) 75° (d)…

A scooter is going round a circular road of radius 100 m at a speed of 10m/s

A scooter is going round a circular road of radius 100 m at a speed of 10m/s. The angular speed…

A body is thrown with a velocity of 9.8 m/s making angle of 30° with the horizontal

A body is thrown with a velocity of 9.8 m/s making angle of 30° with the horizontal. It will hit…

Two forces of magnitude 8N and 15N respectively act at a point so as to make the resultant force

Two forces of magnitude 8N and 15N respectively act at a point so as to make the resultant force 17N.…

A body rolls down a stair case of 5 steps. Each step has height 0.1 m and width 0.1m

A body rolls down a stair case of 5 steps. Each step has height 0.1 m and width 0.1 m.…

A body is moving in a vertical circle. The string must remain taut at the highest point

A body is moving in a vertical circle. The string must remain taut at the highest point. The centripetal acceleration…

A bucket full of water is revolved in a vertical circle of 2m

A bucket full of water is revolved in a vertical circle of 2m. What should be the maximum time period…

The maximum and minimum magnitudes of the resultant of two vectors

The maximum and minimum magnitudes of the resultant of two vectors are 17 units and 7 units respectively. If these…

A projectile is fired at 30°. Neglecting friction, the change in kinetic energy when

A projectile is fired at 30°. Neglecting friction, the change in kinetic energy when it returns to the ground will…

If A.B=A x B,then the angle between A and B is

If A.B=A x B,then the angle between A and B is Options (a) 45゚ (b) 30゚ (c) 60゚ (d) 90゚…