Scientist suggest that galaxies are moving away from Earth due to

A. Dark energy

B. Doppler shift

C. Energy

D. Solar energy

Why would physical science be used to study light emitted by a star? O A. Light is very pretty. O B. Light is a form of energy. O C. Stars form interesting shapes in the sky. O D. The positions of stars control our lives.

What is the Milky Way? a spiral galaxy in which Earth is located an elliptical galaxy in which Earth is located an irregular galaxy in which Earth is located the closest galaxy to the one in which Earth is located

Part A If the accuracy in measuring the position of a particle increases, what happens to the accuracy in measuring its velocity?

Velocity refers to the ratio of change in

If you drop a tennis ball from the top of a ladder, at what rate will it accelerate

Select the correct answer Mary starts from her house, walks 80 meters south, and stops to chat with her aunt on the sidewalk.

An electron moves with velocity v⃗ = (5.9i-6.4j) * 104m/s in a magnetic field B⃗ = (-0.63i+0.65j) T. Determine the z-component of the force on the electron. Fz=?

3. According to the National Automobile Dealers Association, a single dealership may employ people with as many as 57 different A. salaries. B. specialists. C. job titles. D. technicians.

A paragraph that can serve the specific purpose of creating a special effect within the essay is called? a. paragraph block b. functional paragraph c. unified passage d. topical paragraph

What are the steps that produce electricity from this fuel