Explain why a golf ball is heavier than a table-tennis ball even though the balls are the same size?

Distinguished scholars are usually attracted to teaching at a

What is the refractive index of a medium? A. the ratio of the velocity of light in the medium over the velocity of light in a vacuum B. the ratio of the velocity of light in a vacuum over the velocity of light in the medium C.

Most stars are a. brown fs b. main sequence c. white dwarfs d. pulsars

A material used for electrical wiring must have what?

A square loop of wire with sides 0.31 m long is placed with its plane perpendicular to a 5.9 T magnetic field. What is the magnetic flux through the loop, in units of Webers?

A book falls of the table and hits the floor. Is work done? Why?

A person of 83 kg is in an elevator. If the elevator is moving at a speed of 5 m/s, what's the person's kinetic energy? Keep 4 significant figures a 1,004 J b 1,038 c 1,280 J d 980 J e 1,435 J

What two equations can be used to determine the speed of a wave

Which force has an infinite range and is always attractive?

A ramp with a mechanical advantage of 8 lifts objects to a height of 1.5 meters how long is the ramp