Mark walked 2 miles east, then 1 mile north. how would you determine his total displacement?

Radioactive carbon, or C-14, is used to date fossil remains. When C-14 decays, as seen in the nuclear equation, it produces what nuclide of nitrogen? A) N-7 B) N-13 C) N-14 D) N-15

An aminoacyl-trna that enters the a site of the ribosome will next occupy which site?

A man pushes a lawn mower with a force of 200 N across 50 meters of his lawn. How much work did the man perform?

if a particle moving in straight line such that its position varies with time as x=5 (t-2) + 6 (t-2) ^2, then intial acceleration is

At the same instant that a 0.50-kg ball is dropped from 25m above Earth,? At the same instant that a 0.50-kg ball is dropped from 25m aboveEarth, a second ball, with a mass of 0.

Give the definition for diffusion. (A) gas molecules mix unequally average distance between collisions (B) gas molecules escape from a container into a vacuum through a small hole (C) gas molecules mix equally (D) gas molecules spread out in a

As resistance goes up, what happens to the current?

1. A 0.828-nm photon collides with a stationary electron. After the collision, the electron moves forward and the photon recoils backwards. a) Find the momentum of the electron. b) Find the kinetic energy of the electron.

When are you most aware of your motion in a moving vehicle: when it is moving steadily in a straight line or when it is accelerating?

The force of gravity on a person or object on the surface of a planet is called?