How do stars radius compare with their mass

It which medium would light have the longest wavelength

What kind of interaction would a charged rod have with a neutral styrofoam ball: A. repels it B. attracts it C. doesn't interact depends on the polarity of the charge D. none of these

An ion source is producing 6Li ions, which have charge + e and mass 9.99 * 10-27 kg. The ions are accelerated by a potential difference of 13 kV and pass horizontally into a region in which there is a uniform vertical magnetic field of magnitude B =

A person weighing 0.6 kN rides in an elevator that has a downward acceleration of 1.3 m/s 2. The acceleration of gravity is 9.8 m/s 2. What is the magnitude of the force of the elevator floor on the person? Answer in units of kN.

A stationary object has no forces acting on it. True False

Julia rides her horse 12 miles in 45 minutes. What is her average speed in mi/min? Show Your Work.

What happens to the inertia of an object of its mass is decreased?

An object has an acceleration of 24 m/s/s. How long would it take the stationary object to reach a velocity of 6.8 m/s?

What is normal distribution in statistics?

Which of the following water samples would be considered acidic