How many microphones are in a megaphone?

If you have a block of steel with a density of 7.8g/cm3 and a block of gold with a density of 19.3g/cm3 each with the same volume which would be heavier and why

State the Archimendes' principle

Which organism contains organ systems? A. pig B. amoeba C. bacterium D. paramecium l

1. Plastic, rubber, and wood are examples of what kind of material? 2. Name the 3 methods that can charge up objects. 3. Which part of the atom is negatively charged? 4.

Garrett throws a large rock into a waveless pond. The impact of the rock hitting the water causes waves to travel along the pond's surface toward the shore.

A plastic rod rubbed with a duster attracts bits of paper becauseof a what force

What is the particle that an atom can lose or gain in order to form a charged ion

If you have 0.306 m3 of water at 25.0°C and add 0.102 m3 of water at 95.0℃, what is the final temperature of the mixture? Use 1000 kg/m3 as the density of water at any temperature. Number O Previous ⓧ Give Up & View Solution.

If b is the amplitude of the magnetic field vector, find the complete expression for the magnetic field vector b⃗ of the wave.

An electron and a proton are separated by a distance of 1 m. What happens to the size of the force on the first electron if a second electron is placed next to the proton?