Write a sentence that uses the word forces. A sentence using the word correctly.

An old wheat-grinding wheel in a museum actually works. The sign on the wall says that the wheel has a rotational acceleration of 220 rad/s2 as its spinning rotational speed increases from zero to 1600 rpm.

A 51.0-kg woman wearing high-heeled shoes is invited into a home in which the kitchen has vinyl floor covering. The heel on each shoe is circular and has a radius of 0.400 cm.

there are two binary compounds of mercury and oxygen. Heating 0.6498g of one of the compounds leaves a residue of 0.6018g of the other compound results in a mass loss of 0.016g. determibe the emorical formulka of each compound

An electric bell is kept under a bell jar in which a vacuum has been created slowly air is introduced in to the jar. what will happed to the sound of electric bell?

A roundtrip to Mars is expected to take up to 2 years and this would be dangerous to human health. true or false

Why do some elements have symbols that don't use letters in the element's name?

How many (whole number of) 91 kg people can safely occupy an elevator that can hold a maximum mass of exactly 1 metric ton? A metric ton is 1.000 * 103 kg. Answer in units of people.

What are the two types of surface waves? How are they different and which one would cause more damage? Explain.

What causes a regular reflection?

43.278 kg - 28.1 g use significant figures rule