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

When determining the net force given a force of 12 N and a force of 7 N, what would these forces be called?

A girl is sitting in a sled sliding horizontally along some snow (there is friction present). The normal force supporting the girl and sled is 636 N. If the coefficient of static friction is 0.

A wave travels along a stretched horizontal rope. The vertical distance from crest to the trough for this wave is 11 cm and the horizontal distance from crest to trough is 21 cm.

Which of the following best describes magnetic fields? A. Magnetic fields need a conductor. B. Magnetic fields are always found in insulators. C. Magnetic fields have north and south magnetic poles. D. Magnetic fields must have only positive charges.

You drive your car 2 km to the gas station, 4 km to the shopping mall to let your mother off, and 4.5 km back home. The trip takes 20 min. What is your velocity in m/s? -9 m/s +4 m/s 0 m/s -3 m/s

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.