Which statement is true?

a. Velocity and speed both have units of m/s.

b. Velocity is a scalar, while speed is a vector.

c. Velocity has a magnitude, but speed does not.

d. Speed always includes a direction as well as a magnitude.

The diver has least gravitational potentail engery at position

You are conducting an experiment inside an elevator that can move in a vertical shaft. A load is hung vertically from the ceiling on a string, and is stationary with respect to you.

A 3-kilogram ball is accelerated from rest to a speed of 10 m/sec. What is the ball's change in momentum?

A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially, the car and the motorcycle are both traveling at the same speed of 21.5 m/s, and the distance between them is 52.0 m. After t1 = 4.

A man exerts 1000 Newtons of force to move a very large couch 2 meters. If it takes him 5 seconds to move the couch, how much power does it require?

Which statement is true about planets with longer orbits in the solar system? A. They have longer periods of revolution. B. They are smaller in size. C. They have less distance to travel for one revolution. D. They have longer seasons

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?