9. At a drag race, a jet car travels 0.25 mile in 5.2 seconds. What is the car's final speed (m/s) and acceleration (m/s^2)?

An asteroid is discovered in a nearly circular orbit around the sun, with an orbital radius that is 2.47 times earth's. what is the asteroid's orbital period, its "year," in terms of earth years?

When an object is heated it contracts. a. true b. false

The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.