A machine has a mechanical advantage of 5. What force should be applied to the machine to make it apply 3000 N to an object?

What causes the pressure that allows diamonds to form in the mantle A. Gravity from the sun B. Upward force from rocks in the core C. Downward force from rocks in the crust D. The moon's tidal forces

To calculate the wave speed of a wave, multiply the frequency by the wavelength of the wave. a. True b. False

Zain is standing on a bridge. He tosses a ball upwards, which rises, stops, and then falls all the way to the water (30 meters below Zain). Suppose that the speed at which Zain tosses the ball 1.50 m/s, and then answer the following two questions.

In the Netherlands there is an annual ice-skating race called the "Tours of the eleven towns" the total distance of the course is 2.00*10 squared km and the record time is 5 hours, 40 minutes, and 37 seconds.

through which of the following mediums is the velocity of a soundwave the greatest? steel water lead air

1. Water boils at 100°C at sea level. If the water in this experiment did not boil at 100°C, what could be the reason?

A proton in a particle accelerator is traveling at a speed of 0.99c. (a) If you use the approximate nonrelativistic equation for the magnitude of momentum of the proton, what answer do you get?

An object of mass 3 kg, moving with and sticks to an object of mass 2.00 kg with an initial velocity of 3.00 m/s. Find the final velocity of the composite object.

What is the mathematical relationship between frequency wavelength and wave speed?

What is the basic unit of each type of elements