Could you Define matter I don"t know?

Which of the following is NOT a property of long-period comets that suggests that they originate from the Oort cloud? a. Many of them have large inclinations relative to the ecliptic plane. b.

What explains the key difference between a bomb calorimeter and a coffee cup calorimeter? A bomb calorimeter is 10 times larger but works the same way. A bomb calorimeter measures heat for liquid products only.

Why do sound waves echo more in some locations than in others?

5.0 kg and 7.0 kg weight are placed on opposite ends of a massless 4.0 m rod (5.0 kg on the left, 7.0 kg on the right).

A sound changes from 25dB to 5 dB. How much louder does the 25 dB seem to us

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.