The static friction is
A projectile is fired at an angle of 37° with an initial speed of 100 m/s. What is the approximate versicle component of its velocity after 2s?
A 40kg cart moving at 3 m/s makes a head a head-on collision with a 20 kg cart at rest, as illustrated in Fig. 1.If the collision is completely inelastic, the speed with winch the carts leave the impact is approximately
If the earth stopped rotating, the weight of objects at the equator would
Which of the following pairs have identical dimensions?
With the help of dimensions method it can be proved that frequency of a stretched wire
When a body undergoes an acceleration
If C is proportional to D, then
A satellite travels in a circular orbit at a speed of 20,000 km/hr to stay at a constant altitude. To escape from the earth, the speed would have to be increased to
The correct unit of magnetic flux in SI system is
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