Awave with a wavelength of 69 meters has a period of 13 seconds. what is the speed of the wave?
5.3 m/s
897 m/s
0.19 m/s
41 m/s

What is the magnification of a real image if the image is 10.0 cm from a mirror and the object is 50.0 cm from the mirror ? use the equation m=-di/do. a. -5.0 b. 5.0 c. 0.20 d. -0.20

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.