Why do charges build up in a cloud

A chain saw produces a spherical sound wave having a frequency of 214Hz in air at 358C (308.2K or 958F). At a distance of 600mm (23.62 in), the sound pressure level is 100 dB.

magine that Mary is planning a vacation and has to choose between two vacation spots. Based on the phenomenon of selective thinking, if asked to reject a choice, which spot would Mary reject?

A 10 kg object has 500 joules of kinetic energy because of its speed. How fast is the object traveling?

What differentiates the two types of human cloning?

What two quantities do you have to know to calculate the density of and object?

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.