1.)Give two factors that affect the momentum of each bumper car. [2marks] 2.)The bumper cars crash into each other and stop.
Explain why both bumper cars stop after the crash. [4marks]

An electric power distributor charges residential customers $0.10 per kilowatt-hour (kwh). the company advertises that "green power" is available in 150 kwh blocks for an additional $4 per month. (green power is generated from solar, wind power, and methane sources.) if a certain customer uses an average of 391 kwh per month and commits to one monthly 150 kwh block of green power, what is her annual power bill

Which statement correctly describes the interaction between magnetic poles? north and south poles attract each other. north and south poles repel each other. two north poles will attract each other. two south poles will attract each other.

What effect does the sun have on the earth. written response