A net force acts on a mass of 8.00 kg causing it to move from rest to a speed of 10.0 m/s in a time of 5.00 s. The bet force must have a magnitude of

A. 8.00n

B. 16.0n

C. 40.0n

D. 80.0n

Two football players collide on the field. Before the collision, their total momentum was 450 kgm/s to the north. What is their total momentum after the collision? A. More than 450 kgm/s north B. 450 kgm/s north C. Less than 450 kgm/s north D.

Why do condors soar in circles in the sky when riding thermals?

Which distance can be most accurately measured with a ruler? a. the size of an object under a microscope b. the width of a book c. the length of a river d. the distance between two cities?

Not every lightning strike produces thunder. a. Trueb. False

How do wavelength and wave period relate to a wave's speed

Both matter and energy can eneter and exit which of the following systems? A. open only B. both open and closed C. isolated only D. both closed and isolated

As you travel from a spreading center towards a coastline what happens to the age of the rocks of the sea floor

To prevent accidental electric shock, most electrical equipment is A. painted. B. isolated. C. coated. D. grounded.

Emission of light from an atom occurs when the electron:

What is the mass of a neutron? | 1/2,000 amu 1 amu 2,000 amu O 1/200 amu