1/A current of 0.5A flows through a resistor of resistance of 20 Ω. Calculate the potential difference across the resistor.

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Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

How does the entropy of steam compare to the entropy of ice?