Imagine that you are an auto designer.
Your job is to design brakes for different
automobiles. Write a four-sentence plan
that explains what you need to consider
about momentum when designing brakes
for a heavy truck, a light truck, a small car,
and a van.

What is the role of the ocular lens?

Which notation is used to represent an alpha particle? a. b. c. d.

Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?