Atoms contain charged particles called protons and electrons. Each proton has a charge of + 1, and each electron has a charge of - 1. A sulfur ion has 16 protons and 18 electrons. Find the net charge.

-34

+2

34

-2

Why is a car racetrack built with a steep inward slope?

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The weight of an astronout is 60kg on earth, find the wight of the same object on the planet where the gravitational attraction has been reduced to 1/10 of the earths pull

Describe a situation in wich static friction is useful