In an RC circuit, how many time constants must elapse if an initially uncharged capacitor is to reach 80% of its final potential difference?

a. 2.2
b. 1.9
c. 1.6
d. 3.0
e. 5.0


C

Physics & Space Science

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A proton's rest mass is 1.67 × 10^-27 kg. Calculate its total energy when it is accelerated to a speed of 0.80 c

a. 1.5 × 10^-10 J b. 1.0 × 10^-10 J c. 2.5 × 10^-10 J d. 2.0 × 10^-10 J e. 7.5 × 10^-10 J

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State the conditions for static equilibrium

What will be an ideal response?

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When the Moon is described as tidally locked, that means that it does not rotate

Indicate whether the statement is true or false

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A Carnot engine has an efficiency of 83.0% and performs 4500 J of work every cycle. How much energy is discharged to the lower temperature reservoir every cycle?

A) 922 J B) 833 J C) 744 J D) 3735 J E) 5422 J

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