Gravitational potential energy of the astronaut
In a simulation on earth, an astronaut in his space-suit mounts up a vertical ladder. On the moon, the similar astronaut makes the same climb. In which situation does the gravitational potential energy of the astronaut modify by a greater amount?
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The intensity of sun-light striking the earth is about 1300 W/m^2. When sunlight hits a perfect absorber, what pressure does it apply? Describe how about a perfect reflector? And at what fraction of atmospheric pressure does this amount to?
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A totally charged capacitor having a voltage of 270 kV is discharged via a resistor. (i) Determine the voltage across the capacitor at the end of four time constants?
i) A 33 O resistor is joined in series having a 5 µF capacitor and a battery. Determine the maximum charge to which the capacitor can be charged if the battery voltage is 6 V?
When a 57.0 tennis ball is traveling horizontally at 72.0 (which does take place), and a 60.0 tennis player leaps vertically upward and strikes the ball, causing it to travel at 44.0 in the reverse direction, determine how fast will her center of
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A single circular loop of radius 0.23 m carries a current of 2.7 A in the magnetic field of 0.96 T. Determine the maximum torque applied on the loop?
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