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To keep a room at a comfortable 16.0?C , a Carnot heat pump does 310J of work and supplies it with 3840J of heat.
Part A How much heat is removed from the outside air by the heat pump?
Part B What is the temperature of the outside air?
An electromagnetic wave propagates along the +y direction, If the magnetic field at the origin is along the +x direction, what is the direction of the electric field
A refrigerator has a coefficient of performance equal to 6.00. The refrigerator takes in 150 J of energy from a cold reservoir in each cycle, Find the work required in each cycle
A 1130kg car and 4020kg truck undergo a perfectly inelastic collision. Find the velocity of the wreckage immediately after the collision
Suppose that you wish to fabricate a uniform wire out of 0.950 g of copper. Assume the wire has a resistance R = 0.600 ?, and all of the copper is used. What will be the length of the wire
In fact, the increased normal force at these large angles makes force of friction too large to move the lawnmower at all.
Estimate the particle density necessary for bose-Einstein condensation of a hydrogen gas to occur at 100 nK. find the ratio of the thermal wavelength to the atom spacing
What percentage of the input energy needed to pump the water up to the top tank could you recover from the turbine as the water ran back to the bottom tank, two 15,000 litre water tanks and put one on a frame 3m higher than the other,
The Space Shuttle travels at a speed of about 7.60 103 m/s. The blink of an astronaut's eye lasts about 110 ms. How many football fields (length = 91.4 m) does the Shuttle cover in the blink of an eye?
Assume that none of the alpha particles bounced back from the sheet, meaning that the alpha particles either were captured by the shielding or penetrated completely through the shielding.
A cue ball, which has a mass of 0.17 kg, collides head-on with a stationary 8-ball, what was the velocity of the cue ball before and after collision
questiontwo hockey players aaron and brunnhilde are pushing two pucks on a frictionless ice rink. the pucks are at
You are to build a box whose height is 0.280 times its length. what should be the ratio of the width of the box to its length
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