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lesya692 [45]
3 years ago
11

A 4.00-kg block is attached to a vertical rod by means of two strings. when the system rotates about the axis of the rod, the st

rings are extended as shown in fig. p5.104 and the tension in the upper string is 80.0 n. (a) what is the tension in the lower cord? (b) how many revolutions per minute does the system make? (c) find the number of revolutions per minute at which the lower cord just goes slack. (d) explain what happens if the number of revolutions per minute is less than that in part (c).
Physics
1 answer:
Alina [70]3 years ago
3 0
Https://answers.yahoo.com/question/index?qid=20130908151723AA4vGjO

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Answer:

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Explanation:

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look for the energy consumed in one day and multiply by the days of the month in the month

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the cost of this energy is

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3 years ago
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Which of the folltrue or false: the ratio of heat exchange in conduction is independent of exposure time.owing techniques uses e
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True conditions

Efficiency of Heat Exchanger are as below:

the heat exchange process between two fluids with different temperatures using solid walls occurs in various engineering applications. The tool to achieve this exchange is a heat exchanger. Some applications like air conditioning, power generation, waste heat recovery, and chemical processing use this device.

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The energy produced by the internal motion of atoms? electrical , thermal, chemical, nuclear
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Answer:

Thermal energy, or heat, is the energy that comes from the movement of atoms and molecules in a substance. Heat increases when these particles move faster. Geothermal energy is the thermal energy in the earth. Motion energy is energy stored in the movement of objects. so the answer is thermal energy

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AlladinOne [14]

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Assignment 10 Coulombic Equation Practice Directions: Complete the following problems to calculate the electrostatic force that
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Answer:

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Explanation:

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