The range of projectile is maximum, when the angle of projection is

72) The time of flight of a projectile on downward inclined plane depends upon

angle of projection

angle of inclination of the plane

both 1) angle of projection and 2) angle of inclination of the plane

none of these

Answer is:

both 1) angle of projection and 2) angle of inclination of the plane

Explanation:

The time of flight of a projectile on downward inclined plane depends upon angle of projection and angle of inclination of the plane.

73) The range of projectile on a downward inclined plane is ______ the range on upward inclined plane for the same velocity of projection and angle of projection

Answer is:

more than

Explanation:

74) Which of the following are vector quantities?

Answer is:

all of these

Explanation:

Vector Quantities: Vector quantities refer to the physical quantities characterized by the presence of both magnitude as well as direction. For example, displacement, force, torque, momentum, acceleration, velocity, etc.
Angular displacement, Angular velocity and Angular acceleration all of these are vector quantities.

75) The motion of a particle round a fixed axis is

Answer is:

circular

Explanation:

The motion of a particle round a fixed axis is circular.

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The range of projectile is maximum, when the angle of projection is

45 degree

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72) The time of flight of a projectile on downward inclined plane depends upon

both 1) angle of projection and 2) angle of inclination of the plane

73) The range of projectile on a downward inclined plane is ______ the range on upward inclined plane for the same velocity of projection and angle of projection

more than

74) Which of the following are vector quantities?

all of these

75) The motion of a particle round a fixed axis is

circular

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