1. Calculate the mechanical advantage of a machine that has an input force of 13 N and

an output force of 65 N.

Suppose that you look into a photometer's eyepiece and the fluorescent disks appear to be equal in intensity.

What prefix should be used for the oxygen atom when naming the chemical formula SO2? mono- pent- di- tri-

A 0.0414 kg ingot of metal is heated to 243◦C and then is dropped into a beaker containing 0.411 kg of water initially at 18◦C. If the final equilibrium state of the mixed system is 20.4◦C, find the specific heat of the metal.

What is the reverse of vaporization?

Amir starts riding his bike up a 200-m-long slope at a speed of 18 km/h, decelerating at 0.20 m/s2 as he goes up. at the same instant, becky starts down from the top at a speed of 6.0 km/h, accelerating at 0.40 m/s2 as she goes down.

Which force keeps you near earths surface?

Name one process that requires a force in the human body.

Which describes the electric forces inside an atom

Why can radio telescopes be used 24 hours a day?

How do you find mass, volume and density? Any formulas?