Physics
Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct?

2 and 3 only
1, 2 and 3
1 and 2 only
1 only

ANSWER DOWNLOAD EXAMIANS APP

Physics
The velocity of sound in air

Increases with decrease of temperature
Decreases with increase of temperature
Decreases with decrease of temperature
Does not depend on temperature

ANSWER DOWNLOAD EXAMIANS APP