A car is moving at a constant speed. If the force generated by the car to push it forward is 8,000 N, what can be said about the force opposing the car’s motion?

1.It is less than 8,000 N and greater than zero.
2.It is exactly 8,000 N.
3.It is greater than 8,000 N.
4.It is zero.

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?

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The radius of an atom is closest in size to a