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A 218kg rock sits in full sunlight on the edge of a cliff 4.90m high. The temperature of the rock is 29.1%u2218C.
If the rock falls from the cliff into a pool containing 7.00m3 of water at 16.3%u2218C, what is the final temperature of the rock-water system? Assume that the specific heat of the rock is 1010.
The wire is located in a uniform magnetic field B directed perpendicular to the wire. Compute the magnitude of B when the force on the wire due to B is 0.200 N.
What are the corresponding velocity vectors
A rectangular loop with sides of lengtha=1.10cm andb=4.10cm is placed near a wire that carries a currenti(t)=3.14 + 1.04t2, where the current is in amperes and time is in seconds. The distance from the straight wire to the closest side of the loop..
Calculate torques about an axis
The specific heat of water is 4186 J/kg•K. The latent heat of fusion is 333 kJ/kg. The density of water is 1.0 g/cm.
A pair of speakers separated by 0.820 m are driven by the same oscillator at a frequency of 652 Hz. An observer originally positioned at one of the speakers begins to walk along a line vertical to the line joining the speakers.
A 1.65kg chicken is blown into a wall by a strong gust of wind and held there. What is the minimum force of the gust of wind
If coefficient of kinetic friction between the box and the floor is 0.570, how long does it take to move the box 4.00 m, starting from rest.
You are driving to the grocery store at 20. You are 100 from an intersection when the traffic light turns red. Suppose that your reaction time is 0.70 and that your car brakes with constant acceleration. What acceleration would bring you to rest r..
An 85 kg man lowers himself to the ground from a height of 5.6 m by holding onto a rope that runs over a frictionless pulley to a 75 kg sandbag
Suppose that the helium atom, with a filled 1s electron shell, has the same ground-state radius as the Bohr hydrogen atom, Find the density of the 4He atom
A satellite has a mass of 6079 kg, What would be the true weight of the satellite if it were at rest on the planet's surface
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