Which is a result of using a machine?

O The mechanical advantage makes the work output

O The machine can put out force without having any

O A large force can be exerted through a long distanc

O A large force can be exerted through a short distan

What might cause a theory to change over time?

Which organism uses photosynthesis

How many Mars-sized planets can fit in Jupiter

Which state of matter contains the most energetic particles?

Geothermal energy is derived from burning organic material such as wood, alcohol, and garbage true or false

What is a nuclear bulge? a) The bulging corner of a spiral galaxy consisting of gas in the shape of a spiral sphere that circles a galaxy b) The bulging center of a spiral galaxy consisting of debris in the shape of a flattened sphere that circles a

Your friend of mass 50 kg can just barely float in fresh water. Calculate her approximate volume.

A flashlight beam strikes the surface of a pane of glass (n = 1.50) at a 61° angle to the normal. what is the angle of refraction?

Why is there controversy to the opinion that human contribution of carbon dioxide to the atmosphere is cause warming

If the resistance of a circuit increases, that means that the current has to