A ship was traveling across the Atlantic Ocean. It traveled 2,000 kilometers at a rate of 40 kilometers per hour. How long did it take the ship to travel this distance?

A.

0.02 hr

B.

40 hr

C.

50 hr

D.

80,000 hr

Which of the following are relative? A. Time only B. Time, length, and mass C. Time and mass D. Time and length

How work done against gravity can be expressed?

Reaction of sodium, lithium and potassium will be demonstrated by your instructor. why are students not allowed to handle these elements?

Momentum of a system is only conserved when

What is the force slows down a falling skydiver?

Atmospheric conditions near a mountain range are such that a cloud at an altitude of 2.00 km contains 3.20 ✕ 10^7 kg of water vapor. How long (in years) would it take for a 2.

In addition to the conditions required for any solar eclipse, what must also be true in order for you to observe a total solar eclipse?

Protons and neutrons strongly attract when they

How far is Jupiter from the sun?

Steam moves into a cylinder of a steam engine at a constant pressure and does 2.34 J of work on a piston. The diameter of the piston is 3.4 cm and the piston travels 4.6cm. What is the pressure of the steam?