What determines the frequency of a periodic wave?

A pulley is used to lift a heavy mass from the floor to the platform. The IMA of the system is 5 and the AMA is 2.5. What is the efficiency of the system?

How does the nucleus of a copper atom compare to the nucleus of a nickel atom

I to fall in love with someone or to at least get a boyfriend

if a lithium has 3 protons, 3 neutrons, and 3 elestrons, an isotope of this atom would have how many protons, neutrons, and electrons

How does space exploration benefit the economy?

Why does changing the shape of an object have no effect on the density of that object?

2. Vehicle-braking distance is the distance your vehicle travels after you see a problem before you apply the brakes. A. true B. false

On a sky coaster (human pendulum) that reaches 10 meters from it's equilibrium position, a man of 120 kg is able to reach a maximum speed of 18m/s 14m/s 1200m/s 11m/s

two wires each have a current running through them and are placed next to each other. will one wire be affected by a force from the other? and why?

When using a lever, what is the input force called