Question

A stone of mass 50 g thrown vertically upward with a speed of 30m/s reaches to a maximum height of 25m .The magnitude of average frictional force exerted by air during upward journey is ​

Answer 1

Answer:

Inertia is the resistance of any physical object to any change in its velocity. This includes changes to the object's speed, or direction of motion. An aspect of this property is the tendency of objects to keep moving in a straight line at a constant speed, when no forces act upon them.