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A 0.014 kilogram record with a radius of 15 centimeter rotates with an angular speed of 30 rpm. Evaluate the angular momentum of the record?
A gas is allowed to expand at constant pressure until it reaches its final volume. It is then cooled at constant volume until it reaches its final pressure. find the heat absorbed by the gas
A child playing tee ball hits a stationary 65 {\rm g} ball with a 300 {\rm g} bat swinging initially at 4.0 {\rm m/s}. What's the bat's post-impact speed
each croquet ball in a set has a mass of 0.51 kg. the greenball, traveling at 12.3 m/s strikes the blue ball, which is atrest. find the final speed of the blue ball in the following situation
An ideal gas is maintained at a constant pressure of 200 N/m^2 during an isobaric process while its volume decreases by 0.2 m^3. What work is done by the system on it's environment
The average intensity of solar radiation incident on the upper atmosphere of the earth is 1390 W/m2. Assuming the sun emits radiation uniformly in all directions, evaluate the total power radiated by the sun.
The Dyson sphere is an hypothetical spherical structure centered around a star. Inspired by a science fiction story, What is the net gravitational force Fin on a unit mass located on the inner surface of the Dyson sphere described in Part A
A beetle and a spider are sitting on a hinged door. The beetle is in the middle of the door and the spider is near the handle, what is the angular speed and tangantial Speed of the spider
A Carnot engine absorbs 4.65 x 103 J from the hot reservoir and expels 3.12 x 103 J to the cold reservoir during each engine cycle. what is the temperature of the hot reservoir
question an 82 ohms resistor has a current of 0.73 a and is connected in series with a 140 ohms resistor. what is the
If the hanging 13.8 kg block falls a distance 0.633 m before coming to rest, calculate the coefficient of kinetic friction between the block m1 and the surface
two point charges are on the y-axis. a 3.5 microc charge is located at y 1.10 cm and a -2.14 microc charge is located
First discuss how energy can be converted from one form to another, giving specific examples. Define what we mean
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