What's one reason that cells are small

Playing a certain musical note on a trumpet causes the spring on the bottom of a nearby snare drum to vibrate. This phenomenon is an example of (1) resonance (3) reflection (2) refraction (4) diffraction

Why metal wire coated with plastic or rubber is used in electric circuits

A 2 kg laptop sits on the floor near a 4 kg jar of pennies. if the force of gravity between them is 3.42 * 10 ⁻¹⁰, how far apart are they?

A zebra starts from rest and accelerates at 1.9 m/s how far has a zebra gone in five seconds

If a person lives in china in which two hemispheres does he or she live

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.