37. A baseball is pitched at a speed of 40 m/s. How long does it take the ball to travel 27 meters from the pitcher's mound to home plate?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?

An electron in an x-ray machine is accelerated through a potential difference of 1.00 × 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?