The multiple reflection of a single sound wave is a/an

a. reverberation.

b. echo.

c. diffraction.

d. refraction.

The A 400 kg spacecraft has a momentum of 30,000 kg·m/s up. What is the velocity? A. 12,000,000 m/s B. 1200 m/s C. 300 m/s D. 75 m/smass of a baseball stays constant. As the velocity of the ball increases, what happens to the momentum of the ball?

Find the weight of a 8kg bowling ball on earth

An object is travelling with a constant acceleration of 10 ms⁻². how much distance will it travel in 3rd second of its journey?

Your car is initially at rest when your hit that gas and the car begins to accelerate. The forward force on the car is 2830 N while the resisting forces total 130 N. The car has a mass of 1830 kg and the acceleration lasts for 2.8 s.

Name a cell pat that has tiny holes

Which of the following statement describes an actual orbit A. The planet Venus is a satellite of earth. B. Earth is a satellite of the planet Venus. C. Earth is a satellite of the moon. D. The planet Jupiter is a satellite of the sun.

There are four people in the car, the driver slams on the gas pedal and all the passengers heads hit the headrest behind them when the car accelerates forward.

A car travels 15 miles in 30 minutes. Calculate its average speed.

What two factors affect the strength of a gravitational attraction? How does each effect the strength

A spring is stretched 2 cm when a mass of 40 grams is hung from it what is the spring constant of the spring