Q2.) A small sphere of mass 0.5g is suspended by a string 50cm long, with the string kept taut, the ball is whirled in a horizontal circle of radius 25cm. calculate its angular speed in radians per second.

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)

Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island