1.
A projectile is thrown with speed u at an angle θ. Its horizontal velocity at the highest point is
2.
A particle moves in a circle of radius r with speed v. The angular velocity is
3.
The SI unit of angular acceleration is
4.
Two vectors each of magnitude 10 units act at right angles. Their resultant is
5.
The angle between two equal vectors whose resultant is √2 times either vector is
6.
A car moves along a circular path with constant speed. Which quantity changes continuously?
7.
A boat crosses a river in the shortest time when it is steered
8.
If the velocity of the river is equal to the velocity of the boat in still water, the minimum drift is
9.
For a projectile, the vertical component of velocity becomes zero at
10.
The range of a projectile projected at angles 30⁰ and 60⁰ is
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