What is required for a sound wave to be reflected?

A bowling ball has a mass of 15.5kg. what is its weight on earth

Tally travels 5m/s for 25seconds on her hoverboard. How far does she travel

What is the unit for measuring electric current? volt ampere ohm coulomb

A car moves at a velocity of 8.5 meters per second. It then accelerates at a constant rate of 2.5 m/s^2 for a total time of 5 seconds. How fast is the car moving at the end of the 5 seconds? I got 21 mps ... is this right?

A lake that stores water for human use is called

A syrup added to an empty container with a mass of 115.25g. When 0.100 pint of syrup is added, the total mass of the container and syrup is 182.48g. Determine the density ... ?

MOST high schools teach biology, then chemistry, then physics. What do you see as some of the disadvantages of the traditional sequence to both students and teachers.

If you break a bar magnet in half, each half

If a forklift raises a 76-kg load a distance of 2.5 m, about how much work has it done?

When a fork is placed in a hot piece of lasagna, thermal energy is transferred up the fork by ...