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A 0.280 kg croquet ball makes an elastic head-on collision with asecond ball initially at rest. The second ball moves off with halfthe original speed of the first ball.
(a) What is the mass of thesecond ball?
(b) What fraction of the original kinetic energy(KE/KE) getstransferred to the second ball?
A heat pump keeps a house warm at 72.0 degrees Fahrenheit when the outside temperature is 0 degrees Fahrenheit. How much heat is drawn in from the outside
An archer wishes to shoot an arrow at a target at eye level a distance of 49.0 m away. what angle should the arrow make with the horizontal as it is being shot
The volume expansion coefficient for kerosene is 900 x 10^-6 / k. If the kerosene was held inside a long thin metallic cylindrical tube, then what would be its linear expansion coefficient
A cylinder contains a mixture of helium and argon gas inequilibrium at 160°C. (a) What is the average kinetic energy for each type of gas molecule?
A circular disk with a radius of 0.65 meters and mass of 0.26 kg has a hole cut in the middle.
From street level, Superman spots Lois Lane in trouble-the evil villain, Lex Luthor, Determine how long Superman takes to reach her
When a single high-resistance (long) bulb is connected to a 1.5 volt battery, the current through the battery is about 80 milliampere. If you add another high-resistance (long) bulb in parallel, the battery current of course increases to 160 milliamp..
A toy balloon is filled with helium gas He at 1 atm and 28 degree C If the volume of the balloon is 0.024m^3 , how many atoms does it contain
Two air-track gliders of equal mass are initially moving in the same direction along a straight line. What is the speed of the first glider (rearmost) after the collision
A series RC circuit has a time constant of 1.000 s. The battery has an emf of 48.0 V, and the maximum current in the circuit is 480 mA. What is the value of the capacitance
A toy car with a mass of 120 g moves to the right with a speed of 0.43 m/s. What is the change in speed of the car
question1two gerbils run in place with a linear speed of 0.60 on an exercise wheel that is twisted like a hoop. find
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