Which of the following is least likely to cause change to an equilibrium system?

a. change in pressure

b. change in temperature

c. change in concentration

d. change in wavelength absorption

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A car is going 7 m/s when it begins to accelerate. Sixty meters further down the road, the car is going 24 m/s. a) What was the acceleration of the car? b) How much time did the change from 7 m/s to 24 m/s take?

Air is a good conductor of heat ... True Or False!

A very long straight current-carrying wire produces a magnetic field of 25 µT at a distance d from the wire. How far will the magnetic field due to this wire be 2.8 µT.

The diagram shows the protons and neutrons in an atom. p = protons n = neutrons Which fundamental force is shown? O static o electromagnetic O strong O light p 7 na LA P n

3. A stone is thrown upward at an angle. What happens to the horizontal component of its velocity as it rises

An arc welder provides 250A of current when operating with a voltage of 40V. What is the power required by this welder? Explain your answer.

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a boy hears the echo of his own voice from a distance hill after 0.8 seconds. If the speed of sound in air is 340m/s, calculate the distance of the hill from the boy.

Which of the following are found in plant cells buh not animal cells?