A speaker makes 360 vibrations in 3 minutes. What is its period in seconds?

In each case, lifting or pushing, why must you exert a force to move the object? Q1-2: How much more effort is required to lift or push two bricks or masses instead of just one?

Involves the transformation of chemical energy directly into light energy?

At what water depth will a deep-water wave with a wavelength of 40 meters begin to "feel bottom"? 5 meters 15 meters 20 meters 10 meters

A solid element that is malleable' a good conductor of electricity, and reacts with oxygen is classified as a 1) metal 2) metalloid 3) Nobel gas 4) non metal

A box weighing 180 newtons is hanging by rope as shown in the figure. Find the tension T2.

How does scientific knowledge develop through making observations about the natural world?

Why do the earth have many states

Problem page a cyclist traveled 20 kilometers per hour faster than an in-line skater. in the time it took the cyclist to travel 80 kilometers, the skater had gone 30 kilometers. find the speed of the skater.

What is emitted during fission

If a magnet is broken into two pieces, what happens to the magnetic poles? One piece will have a north pole, while the other piece will have a south pole. Each piece will still have a north pole and a south pole.