What is an ore? an object that has been recycled

The acceleration due to gravity on the surface of Mercury is 3.71 m/s2. An object with a mass of 8.69 kg has what weight on Mercury? 32.2 N 23.4 N 42.7 N 85.2 N

Suppose you have one light bulb in a simple circuit. If you add a second identical light bulb in series, what would happen to the brightness of the first bulb?

An x-ray photon is scattered by an originally stationary electron. how does the frequency of the scattered photon compare relative to the frequency of the incident photon? it is lower.

What are the three layers of the sun's atmosphere, in order of increasing distance from the surface?

It proved my hypothesis because whenever the sound got closer to the observe it would increase and whenever it passes him it would decrease

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.