Which force keeps the planets in orbit?

1. gravity

2. kinetics

3. mass

4. friction

An asian elephant has a weight of 52,900 newtons. this enormous weight is balanced on four feet. in a circus act, these elephants often balance on one foot. the average surface area of a foot pad is 2,920 cm2.

CaCO3 + 2HCl - -> CaCl2 + CO2 + H2O In the reaction above, what mass of carbon dioxide is produced when 10 moles of HCl reacts with excess calcium carbonate?

How do I convert 261 g → kg

How does the composition of a galaxy compare to the composition of the universe?

At a nuclear power plant plants a nuclear chain reaction releases heat which drives steam turbines that turn what

Why does the light bulbs have to be part of the loop in order for it to be succesful?

Which best describes the transition from gas to liquid? Energy must be removed because particles in liquid move more slowly. Energy must be added because particles in liquid move more quickly.

Calculate the mass of a 0.255-ml sample of a liquid with density 0.660 g/ml.

Which statement correctly describes the interaction between magnetic poles? North and south poles attract each other. North and south poles repel each other. Two north poles will attract each other. Two south poles will attract each other.

You are measuring the mass of various shapes objecys and identifying their shaped ypu then record the qualitative and quanatitave data in a table is qualitataive wnd which is quatitaive