Waves on water in a ripple tank are often used as a model to help students to understand sound waves and light waves.
Compare and contrast waves on water, sound waves and light waves

The difference between two numbers is 15. when twice the smaller number is subtracted from three times the larger number, the difference is 58.what is the larger number?

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.