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A refrigerator is rated at 450 W.(a) What is the maximum amount of heat it can absorb from the food compartment in 1.00 min if the food compartment temperature of the refrigerator is 0.0°C and it releases heat into a room at 22°C?(b) If the COP of the refrigerator is 65% of that of a reversible refrigerator, how much heat can it absorb from the food compartment in 1.00 min under these conditions?
A spring of k=12.00 N/m has a block of mass 11- kg attached to it on a frictionless table. If the block is pulled a distance 0.17m to the right and released from rest, how long would it take the block to return to its equilibrium position? Give yo..
A particle is trapped in an infinite one-dimensional well of width L = 129 nm. If the particle is in its ground state, evaluate the probability to find the particle. (a) between x = 0 and x = 0.042L (b) between x = 0.042L and x = 0.958L (c) betwee..
A skier is accelerating down a 30 degree hill at 3.60 m/s^2. How long would it take her to reach the bottom of the hill, assume she starts from rest and accelerates uniformly, if elevation change is 170m.
Discover the least value of initial velocity
Assume a uniform mass distribution before and after. Icm for a solid sphere of uniform density is 2/5 mr2.
What minimum force must be applied to the crate perpendicular to the incline to prevent crate from sliding down the incline.
An airplane can be made invisible to radar by coating the plane with a thin layer of an antireflective material. If radar waves have a wavelength of 3.0 cm.
A 2.62 kg mass attached to a light string rotates on the horizontal, frictionless table. The radius of the circle is 0.4207 m, and string can support a mass of 14.70 kg before breaking.
The famous horse & cart physics scenario is explained. This scenario is used to describe why many people have a common misconception about what Newton’s 3rd Law says & does not say.
A hunter aims directly at a target (on the same level) 101m away. If the bullet leaves the gun at a velocity of 203m/s, by how much will it miss the target.
Starting from rest, a 40 kg body reaches a speed of 8.0m/s in 2s. Calculate the force acting on the body?
Find out the magnetic field strength
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