if a car has a speed of 20 m/s, how long will it take to go 155 m? A. 3100 s B. 135 s C. 2.1 s D. 7.8 s

The forces acting on a falling leaf are

A bicycle is a compound machine, true or false

A 700-watt gasoline engine and a 300-watt electric motor both do 3 joules of work. which machine can do the work faster?

What questions should be considered when evaluating the reliability of a website?

Systems tend to change until they reach equilibrium. Based on this fact, what will happen when cold air and warm are added to the same container? A. The warm air will get cooler and the the cool air will get warmer. B.

4. How does an increase in orbital radius affect average orbital speed

What happens when a plastic lid sprinkled with iron filings is placed over a magnet?

A stuntman drives a car with a mass of 1500 kg on a drawbridge. The car accelerates with a constant force of 10,000 N. While he is driving, the drawbridge is raised to an incline of 30°.

In this channel of communication, messages are carried by sound and light waves. a. teleconference b. face-to-face c. voicemail d. hard copy memos

Cardiovascular exercise can