Physics, 09.01.2021 04:30 queenkimm26
The following diagram shows two meteors with masses of 1,000 kilograms and 3,000
kilograms spaced 10 meters apart.
10 m
1,000 kg
3,000 kg
What is the magnitude of the gravitational force exerted by the 1,000 kg meteor on the 3,000
kg meteor?
Answers: 1
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Which describes increasing the efficiency of energy resource
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The heater element of a 120 v toaster is a 5.4 m length of nichrome wire, whose diameter is 0.48 mm. the resistivity of nichrome at the operating temperature of the toaster is 1.3 × 10-6 ω·m. the toaster is operated at a voltage of 120 v. (a) what is the power drawn by the toaster? (b) if the cost of electricity is 12 ¢ per kilowatt-hour, and it takes 2 minutes to toast bread, how much does it cost for toasted bread? (c) when the heater element is at room temperature, is the resistivity in the nichrome wire greater than, less than, or equal to it’s resistivity when at operating temperature? explain.
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The power exerted by a muscle is the product of the force exerted and the velocity of contraction. the area of which of these shaded regions represents the power exerted while a weight is lifted at maximum speed?
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The following diagram shows two meteors with masses of 1,000 kilograms and 3,000
kilograms spaced 1...
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