Gravitation — Science STD 9 — Question

A car is accelerated on a levelled road and acquires a velocity 4 times of its initial velocity. During this process, the potential energy of the car:

The process of cross breeding two different varieties of crop plants each having a desire characteristic, is known as:

If we release a magnet held in our hand, it falls to the ground. The force which makes the magnet fall down is an example of:

Cowdung is appropriately used as:

Which flow chart correctly describes a homogeneous material?

A passenger in a moving train tosses a coin which falls behind him. It means that motion of the train is:

Subatomic particles with a negative charge:

Which of the following quantity remains constant in a uniform circular motion:

Bulk transport occurs through:

Identify the group among the following, which contains only micronutrients: