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A 180.0- g copper block at 90.0 oC is dropped into an aluminum calorimeter cup initially at 22.0 oC. The calorimeter cup has a mass of 350.0 g and contains 380.0 g of water, also at 22.0 oC. What is the final temperature of the system?
What is the magnitude of the vertical component of its velocity as it strikes the ground.
If half the potential energy of this water were converted into electric energy, explain how much electric power would be produced by these falls?
At our distance from the Sun, the intensity of solar radiation is 1370 W/m2. The temperature of the Earth is affected by the greenhouse effect of the atmosphere.
Once the station is completed, it is set rotating at a rate that requires an object at the rim to have radial acceleration, thereby simulating Earth's surface gravity. This is accomplished using two small rockets, each with 130 thrust that are mounte..
What is the charge on a 1.0 cm length of wire. What is the net force exerted on the skier.
A puddle holds 150 grams of water. If .50 grams of water evaporates from the surface, what is the approx temperature altering of the remaining water.
A man is running at speed c (much less than the speed of light) to catch a bus already at a stop. At t=0, while he is a distance b from the door to the bus, the bus starts moving with the positive acceleration a.
In a hydraulic system, the larger piston to be used to lift a 1670kg car has a diameter of 24.2cm, If instead compressed air at 115 psi of pressure is used, what is the largest mass car (in kg) that the system can lift
A particle undergoes two displacements, measured from the positive x-axis, with counter- clockwise positive, find the magnitude of the second displacement in meters
A Bullet of mass 14g strikes a block of mass 1.2kg, which is at rest on a horizontal frictionless surface and is attached to a coil spring shown. Find the velocity of the block just after impact
A parallel-plate capacitor has an area of 2.0cm^2, and the plates are separated by 2mm.
Gillian buys a pendulum clock at a discount store and discovers when she gets it home that it loses minutes each day.
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