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What will be the equilibrium temperature when a 268 g block of copper at 319°C is placed in a 167 g aluminum calorimeter cup containing 826 g of water at 12.3°C?
in 17.69 seconds you compress a spring of spring constant 153.33 N/m from its equilibrium length of 6.5 cm to a length of 18.16 cm. What is your average power
The figure shows two 22.7 kg ice luges that are at rest and placed a short distance apart, one directly behind the other. What are the final speeds of the first luge
When a certain air-filled parallel-plate capacitor is connected across a battery, it acquires a charge of 200 µC on each plate. What is the dielectric constant of the dielectric slab
A marble is projected up along a 11 ° incline track at an initial speed of 2.2m/s and then coasts without friction. How far did the marble travel before it comes to its momentary rest point
An asteroid of mass 58,000 kg carrying a negative charge of 15.0 ?C is 180 m from a second asteroid of mass 52,000 kg carrying a negative charge of 11.0 ?C. What is the net force the asteroids exert upon each other
A circular coil consists of 60 turns of wire wound around the rim of a plywood disk of radius .15 m. what is the magetic field produced at the center of this disk
Two identical boats travel through still water at 3 m/s. They start from the same point on the bank of a river and travel the same distance from the starting point, How fast is the current in the river flowing
A 2kg block of wood floats on water with 75% of its volume submerged. Find the mass of the steel block
a park ranger wanted to measure the height of a tall tree. The ranger stood 9.50 m from the base of the tree, What is the height of the tree
Throughout a nuclear reactor accident, 570 m3 of water at 20o C is pumped into the reactor core which is producing heat at the rate of 250 MW. If the water is allowed to boil at normal atmospheric pressure how long would it take to boil away all this..
At the end of a race a runner decelerates from a velocity of 8.00 m/s at a rate of 0.300 m/s2. What is her final velocity
A 2-m-long, 0.2-m-diameter cylindrical pine log (density = 513kg/m^3) is suspended by a crane in the horizontal position. determine the angle (theta) the cable will make with the horizontal
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