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a 0.5 kg block of aluminum is heated to 200 degrees C. The block is then quickly placed in an air insulated tub of cold water at 0 degrees C and sealed. At equillibrium, the temperature of the water and block are measured to be 20 degrees C. If the original experiment is repeated with a 1.0 kg aluminum block, what is the final temperature of the water and block? a)less than 20 C b)20 C c) more than 20 C.
When driving west toward the Rocky Mountains, you see a peak 2.8 above the horizon. Your GPS gives your current elevation as 1500, Find the peak's elevation
A ball is thrown vertically upward with a speed of 15.0 m/s. (a) How high does it rise? m (b) How long does it take to reach its highest point? s (c) How long does the ball take to hit the ground after it reaches its highest point? s (d) What is i..
A 102g Frisbee is 25cm in diameter and has half its mass spread uniformly in the disk and the other half concentrated in the rim. What is the Frisbee's rotational inertia
Two people hear a tornado siren, What is the intensity level (in dB) at the farther listener relative to the other listener
A burglar alarm in a house emits sound at a fixed frequency of 3.1 kHz. On a windy day a person cycles past the house while the alarm is sounding. What frequency does the cyclist hear
Having taken a nap under a tree only 20 m from the finish line, Rabbit wakes up to find Turtle 19.5 m beyond him, grinding along at 1/4 m/s. How many seconds will he win or lose by
Gas flows from a reservoir at 2000 psi pressure into a well at 1 atm pressure, what is the actual volumetric flow in the well
Two particles with charges +4e and -7e are initially very far apart, which is the change in the electric potential energy
A 150MW laser pulse is focused with a lens to a diameter of 1.0?m. What is the laser beam's electric field amplitude at the focal point
In the Biomedical and Physical Sciences building at MSU there are 132 steps from the ground floor to the sixth floor. Each step is 16.6 cm tall. It takes 6 minutes and 53 seconds for a person with a mass of 70.8 kg to walk all the way up.
A plane flies 429 km east from city A to city B in 45.0 min and then 969 km south from city B to city C in 1.40 h, find its average speed (in km/h)
A car of mass 2200 kg collides with a truck of mass 4800 kg, and just after the collision the car and truck slide along, stuck together. The car's velocity just before the collision was m/s, and the truck's velocity just before the collision was..
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