Why has no work being done if there is no displacement? Use the equation W=Fx D to explain your answer

2) A velocity vector has components 36 m/s westward and 22 m/s northward. What are the magnitude and direction of this vector?

A pendulum consists of a 1.7-kg block hanging on a 1.6-m length string. A 0.01-kg bullet moving with a horizontal velocity of 828 m/s strikes, passes through, and emerges from the block (initially at rest) with a horizontal velocity of 340 m/s.

Earthquakes are more prevalent along fault lines A. true B. false

Find the unit vector that has the same direction as the vector v = _12j

John rides his motorcycle with a constant speed of 40 miles per hour. How far can he travel in 1/2 an hour?

Emily jogs 3 laps at the track to warm up. She jogs at 5 mph. Then she runs 3 more laps at 7 mph. What is true about her average speed and her average velocity?

Which of the following elements are the most reactive? beryllium, calcium, magnesium, barium?

1.) State which definition of power below is correct. A.) the energy transferred per hour. B.) the energy transferred. C.) the energy transferred per second. D.) the force over a distance. 2.

Science and technology are closely related, but not the same. Which of the following is most likely a result of technology, not science?

Ashlee pours some quantity of orange juice in a glass. She accidentally breaks the glass and juice spills all over the floor. Which characteristic of the juice will change? A. mass B. State C. Shape D. Volume