Which statement about speed and/or velocity is true?

Velocity has both speed and direction.

Speed is constant.

Speed has direction and velocity.

Speed is measured over time.

What does the theory of continental drift explain A. the breakup up of Pangaea B. the formation of the Circle of Fire C. the break up Selena Gomez and Justin Bieber D. the formation of the earth's layers

How does centripetal force act on a satellite in orbit? It changes the direction of the satellite. It keeps the satellite spinning. It exerts an unbalanced force on the satellite.

Julie drives 100 mi to Grandmother's house. on the way to grandmothers h's Julie drives half the distance at 40 mph and half the distance at 60 mph. On her return trip, she drives half the time at 40 mph and half the time at 60 mph.

If your dream is to be a soccer player. You got skills and one day it was your time to go to a another country but your family didn't want you to leave. You just lose a chance to play for one of the greated teams on Spain. What can you do?

Can you walk on the moon

How does changing depth affect water pressure

The mass of a rigid rod is 0.60 kg and its length is 39.0 cm. Calculate the moment of inertia (in kg · m2) for the rod if it is pivoted about an axis through the center of mass of the rod. (Assume the axis is perpendicular to the rod.

Does a rolling basketball have kinetic energy

Noah Formula is in an airplane which is flying at constant speed in a circular course of radius 6500 m, circling O'Hare's airplane prior to landing. Noah observed that the plane completes each round trip in 345 seconds (5 minutes & 45 seconds).

What happens to particles when a substance gains energy and changes state?