A body of mass 5 kg is moving with a momentum of 10 kgms-1. A force of 0. 2 n acts on it in the direction of motion of the body for 10s. The increase in its k. E is?.

Avoltage source vs = 10 v is in series with a resistor of 10 kohm. if the source transformation theorem is applied, what will the value of the current source be in ma ?

Asample of a gaseous substance changes into a liquid

The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?