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One side of our asteroid is constantly illuminated by the Sun while the other side remains in the dark. Do you expect there to be a temperature difference between the light and dark sides? Explain why or why not. If the two sides are at different temperatures, how might heat transfer from one side to the other? Note that our asteroid does not have enough gravity to hold an atmosphere.
A 3.2-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. What is the elastic potential energy of the system when the 3.2-kg block is replaced by a 4.1-kg block
One of the events in the Scottish Highland Games is the sheaf toss, in which a 7.92-kg bag of hay is tossed straight up into the air using a pitchfork. Using the total impulse produced by gravity, determine how long the sheaf is airborne
A 662 KeV photon from 137Cs is compton scattered at an angle 60, calculate the energy of the scattered photon
A 2.8-kg piece of aluminum at 28.5 degrees celsius is placed in 1.0 kg of water in a Styrofoam container at room temperature (20 degrees celsius)
In a model AC generator, a 505 turn rectangular coil 7.0 cm by 20 cm rotates at 124 rev/min in a uniform magnetic field of 0.56 T. What is the maximum emf induced in the coil
A converging lens and a diverging lens, separated by a distance of 30.0 cm, are used in combination. Calculate the focal length of the diverging lens
Two children, with masses 35kg (on the left) and 44kg (on the right), sit at opposite ends of a 3.9mlong seesaw with mass 22kg, With the seesaw horizontal, find the net torque on the seesaw
a girl who weighs 720 N rides on a FErris wheel of radius 7.5 m. when at the top of the wheel her effective weight is 600 N. Find out her speed and the angular speed of the wheel
A silver wire has resistivity ? = 1.88 × 10-8 ?·m and a cross-sectional area of 5.80 mm2. What is the displacement current in the wire at that time
Two coils of wire are placed close together. Initially, a current of 4.70 A exists in one of the coils, but there is no current in the other. What is the mutual inductance of the two-coil system
A nonconducting solid sphere of radius 11.6 cm has a uniform volume charge density. What is the sphere's volume charge density
A constant force of 25N acts on an object having a mass of 2kg for 3 seconds. What is the magnitude of the change in the object's momentum
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