Average mass of a toy car (small, hot wheels) ?

Explain what happens to an atom when protons are added or removed from its nucleus

A metal sphere with radius 1.00 cm is supported on an insulating stand at the center of a hollow, metal, spherical shell with radius rb = 9.40 cm. Charge + q is put on the inner sphere and charge - q on the outer spherical shell.

4. An object (Object A) with a mass of 500 kg is traveling in a straight line from west to east at a constant velocity of 34 m/s.

How does a sound wave transfer energy to your ears?

Why do we see black? Is light being admitted reflected or absorbed or transmitted You will get brainlist if correct

As you turn up the volume on your mp3 player you are increasing

Which event would lead to an overpopulation of a species within a food web A. The grass was eaten by the rabbits stopped growing B. The population of wolves who ate the rabbits decreased C. The grasshopper were affected by the diseased grass D.

Which of the following is true A) land heats less rapidly than water B) land heats more rapidly than water C) land reaches higher temperatures than water D) both b and c

What is the upper limit to the mass of a neutron star beyond which neutron degeneracy pressure is unable to withstand the force of gravity and the neutron star is crushed out of existence into a black hole?

What happened to the test charge when brought near another positive charge, and how did you use this fact to score a goal only using positive charges? Explain for both the practice charge and more difficult levels.