What causes the increase in pitch as an ambulance siren moves toward you? the sound waves become compressed. the amplitude of the sound waves changes. the sound waves spread farther apart. the speed of the sound waves changes?

Teams A and B are in a tug-of-war challenge. Team A wins the challenge. What can be said about Team A? A. The net force was in their direction. B. They exerted a net force of zero. C. The net force was opposite their direction. D.

A wave travels an average distance of 6 meters in 3 seconds. What is the wave's velocity?

What are the primary differences between stars and planets

To test the resiliency of its bumper during low-speed collisions, a 3 690-kg automobile is driven into a brick wall. The car's bumper behaves like a spring with a force constant 8.00 106 N/m and compresses 3.86 cm as the car is brought to rest.

Which phrase describes earth's magnetic declination?

The Coriolis effect

Consider the video demonstration that you just watched. Which of the following changes would make it more likely for the ball to hit both the white can and the green can?

A 10-newton box rests on a table. What is the net force on the box? A. 0 N B. 10 N C. more than 10 N D. between 0 N and 10 N

Approximately eleven million people are diagnosed with cancer each year. Thus, many countries, including the United States, spend millions of dollars annually on cancer research.

What is the distance from earth to sun in meters scientific notation?