A light-year is a unit of

a. time.

c. mass.

b. distance.

d. density.

1. A rifle with a longer barrel can fire bullets with a larger velocity than a rifle with a shorter barrel.

A steady beam of alpha particles (q = + 2e, mass m = 6.68 * 10-27 kg) traveling with constant kinetic energy 22 MeV carries a current of 0.27 µA.

How do you increase the mechanical advantage of a ramp?

Contrast the location of genetic material in bacteria cells to its location in plant and animal cells.

When a cannon fires a cannonball, the cannon will recoil backward because the?

Which compound is composed of oppositely charged ions

Sara, who weighs 66 kg, is on a guilt trip after eating a 788-Calorie (788 kcal) breakfast of pancakes loaded with fruits, cream, and syrup. She decides to work out before going to her weekly weight-watchers' meeting.

Can you get sunburned through glass?

Which statement about a signal transduction pathway is true? a. A signal transduction pathway provides a means for a signal molecule to pass through the cell membrane and initiate a chain of events inside the cell. b.

If a car is traveling on the highway at a constant velocity, the force that pushes the car forward must be A. greater than the force of friction exerted upon the car. B. less than the force of friction exerted upon the car. C.