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A puck is sliding without friction on the ice at a speed of 2.48 m/s. It collides with a second puck of mass 1.5 times that of the first and moving initially with a velocity of 1.86 m/s in a direction 40degrees away from the direction of the first puck. After the collision, the first puck moves at a velocity of 1.59 m/s in a direction at an angle of 50degrees from its initial direction. Find the speed and direction of the second puck after the collision.
Find the speed an alpha particle requires to come within 2.6 ? 10-14 m of a uranium nucleus
Find the work function of the emitting surface and the wavelength of the second source. Determine the net work done on the piano.
define the speed with which the cart reaches positions 3, 2, and 1 (in that order). Neglect friction. Let g = 9.81 m/s2.
An electric blanket is connected to a 120-V outlet and consumes 110 W of power. What is the resistance of the heater wire in the blanket
what is the angle formed between wire and ground?
The temperature at Furnace Creek in Death Valley reached 134°F on July 10, 1913. What is the speed of sound in air
What was the arrow's initial speed. A small sphere with a mass of 2.00×10^-3g and carrying the charge of 4.80×10^-8C hangs from a thread near a very large, charged insulating sheet. The charge density on the sheet is -2.90×10^-9C/m^2 .
One mole of neon, a monatomic gas, starts out at conditions of standard temperature and pressure. find the heat added to the gas
A uniform disk of mass .53kg and radius 11cm is constrained to rotate on an axis about its center. find the KE attained by the system
A blacksmith drops a 500 g iron horseshoe into a bucket containing 25 kg of water. what is the equilibrium temperature of the system
A battery is designed to have an EMF of 12.0V. When the battery is connected to an unknown resistor in series the terminal voltage drops down to 10.0V. what is the value of the unknown resistor
The tuner starts with the tension in the E string a little low, after that tightens it. What is the frequency of the E string while she hears four beats per second.
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