Abookcase has a base of 1 m long and 0.5 m wide. it has a mass of 300kg. find the pressure it exerts on the floor in kpa.

In a vernier instrument the main scale is in 1/2 mm divisions .vernier is made by redividing 19 such divisions into 20 equal parts. calculate the least count of the instrument.

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

Which accounts for an increase in the temperature of a gas that is kept a constant volume