Muscles make up ore than __ of a person body?

a. 10

b. 25

c40

d. 75

A wave with a frequency of 500 Hz is traveling at a speed of 200m/s. what is the wavelength of this wave?

Which action-reaction force pair is correct for a car moving along a road? a. The force of the wheels on the road and the force of the road on the wheels. c. The force of the road on the wheels and the force of air resistance. b.

Which of the following is example of magnitude in a specific direction mass speed velocity volume which of the following is equal to velocity change per second acceleration gravity velocity speed

A car travels 100 meters in 4.0 seconds. find its average velocity.

A cougar is running toward a deer that is 50 m away from it. The deer is also running at a constant rate of 6.4 m/s. If the cougar is running at a rate of 9.2 m/s he will catch up with the deer in 18 s (true / false)

If a drag racer wins the final round of her race by going an average speed of 92.5 m/s in 4.5 seconds, what distance did she cover

An airplane flies due west (i. e. in the-X direction) between two airports. For one-quarter of the distance it travels at 650.0 km/h and the rest at 750.0 km/h. What is the average velocity (not speed) of the airplane?

1. The "Opportunity" rover that just landed on Mars transmitted music back to Earth. If the distance to Earth at the time was 9x107 km and radio waves (a kind of "light") travel with a speed of 3x108 m/s, how long did it take for the signal to reach

Precipitation is most likely occurring at A because it is located A. On a cold ocean surface B. On a warm land surface C. Near the cold front D. Near the warm front

A truck moving at 45 m/s passes a police car moving at 36 m/s in the opposite direction. if the frequency of the siren is 500 Hz relative to the police car, what is the frequency heard by an observer in the truck after the police car passes the