Asound wave with a frequency of 400 hz is moving through a solid object. if the wavelength of the sound wave is 8 m, what is the speed of sound traveling through the solid object?

50 m/s
3200 m/s
408 m/s
0.02 m/s

Write a question about how changing temperature affects the gas inside the sports ball

A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?