What simple machine would move or turn an object? wheel and axle lever screw wedge

How many electrons are there in a diatomic oxygen molecule

Blender why does the left leg move at the same time as the right arm

When you drop a strong magnet through the center of a copper pipe, what happens to the copper piper and the magnet?

The following items describe observational characteristics that could indicate that an object is either a white dwarf or a neutron star. Match each characteristic to the correct object.

When AC is changed into DC to charge a laptop or phone, is the resulting voltage perfectly constant? A. Yes B. No, but it can be made pretty close C. No, in fact sometime it's negative

How do repeater stations improve the quality of a broadcast?

What is the total number of atoms in the following formula? CaBr2 04

The Amazon River is in Europe. True or False

A microwave oven operating at 120 volts is used to heat a sandwich if the oven draws 12.5 amperes of current for 45 seconds what is the power dissipated by the oven?

Which of the transformers are step-up transformers? Which of the transformers are step-down transformers?