What do nebulae have the most in common with?

A) Sun

B) Earth

C) Comets

D) The moon

What is the mathematical relationship between voltage, resistance, and current?

How many photons are absorbed during the dental x-ray?

A train car with mass m1 = 663 kg is moving to the right with a speed of v1 = 8.8 m/s and collides with a second train car. The two cars latch together during the collision and then move off to the right at vf = 5.3 m/s.

A 700-watt gasoline engine and a 300-watt electric motor both do 3 J of work. Which machine can do the work faster? Explain your answer.

Which of the following could be a potential safety hazard of indoor recreation? a. slippery rocks and loose gravel b. flash floods c. traveling without a compass, map, or GPS d. a liquid spill on the floor that was not cleaned

You and a friend are jumping on a trampoline. Why does Earth, which is rapidly orbiting around the sun, not move under your feet when you jump? A.

How much heat is absorbed by a 29g iron skillet when its temperature rises from 9oC to 105oC?

If the voltage of the secondary side of the transformer is less than? and the voltage of the primary side of the transformer exceeds? to ground, the secondary side shall be grounded.?

What is the mass of a 3920 Newtons desk

Find the average speed of a horse that traveled east for 25km in 4 hours.