How much work must be done to accelerate a particle of mass 2.1 × 10-14 kg from a speed of 1.5 × 108 to a speed of 2.5 × 108 m/s? (c = 3.00 × 108 m/s)

What will be an ideal response?


1200 J

Physics & Space Science

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According to Einstein’s theory of special relativity, a stationary observer measures

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Quasars are most common with red shifts

a. less than 0.1 b. less than 0.5 c. of about 2 d. greater than 6 e. greater than 8

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What is the typical main sequence lifetime of an M-type star?

A) one million years B) ten million years C) one billion years D) ten billion years E) a trillion years

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A gold ring has an inner diameter of 2.168 cm at a temperature of 15.0°C. Determine its diameter at 100.0°C. (aGOLD = 1.42 × 10^-5/°C)

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