A car on a circular track with a radius of 0.30 km accelerates from

rest with a constant angular acceleration of a magnitude 4.5 * 10^3

rad/s^2

a. How long does it take the car to make one lap around the track?

b. What is centripetal and angular acceleration of car when it completes

half a lap?

Why is metal often used for cooking pan?

An object of dimensions 50 cm x 40 cm x 0.20 cm has a mass 60g. find its density in g/cm3 and kg/ m3

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water