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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.
Two point charges, q1 = 2.0 pC and q2 = -2.0 pC, are separated by 5.6 µm. What is the dipole moment of this pair of charges
If you detect a frequency shift of 195.4Hz in the 4000-Hz bell of a bicycle as it approaches and then leaves you, how fast is the bicycle going
The proton is replaced with He2+ ion now at a distance of 3 cm from the bead. What is the magnitude of the force experienced by the helium ion
An aluminum ring needs to be placed over a cylinder steel bar. At 10.00 degrees C, Find the temperature of the ring at which it fits over the bar
A swimmer dived off a cliff with a running horizontal leap. What must his minimum speed be just as he leaves the top of the cliff
A slit of width 0.50 mm is illuminated with light of wavelength 500 nm, Find the widths of the first and second maxima of each side of the central maximum
A 3.7-kg block of iron (c=0.11 kcal/kgoC) that has been brought to a temperature of 1,062oC is placed on top of a 2.5-kg block of ice (c=0.5 kcal/kgoC) that has been cooled to -50oC. what is the final temperature of the iron block
Find an average magnitude of the induced emf . A bungee jumper, who's mass is 79 kg, jumps from a tall building. After reaching his lowest point, he continues to oscillate up and down, reaching the low point two more times in 8.2 s.
In Chapter 10 in the textbook, we saw that the Achilles tendon will stretch and then rebound, storing and returning energy during a step. What is the spring constant of her Achilles tendon
Over a year's time, a person receives a biologically equivalent dose of 24 mrem (millirems) from cosmic rays, What is the person's absorbed dose in rads
Westerly winds coming off the Pacific Ocean rise over the Rocky Mountains, what is the surface temperature and relative humidity on the leeward side of the mountains
A 69-kg lumberjack stands at one end of a 409-kg floating log, as shown in the figure. Both the log and the lumberjack are at rest initially. calculate the lumberjacks speed relative to the shore
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