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On a frictionless surface, a 3-kilogram cart moves at a velocity of 2 meters per second west and hits a 5-kilogram cart that is not moving initially. The two carts stick together and move off at a slower speed to the west. What is this slower speed?
A mountaineer uses a global positioning system receiver to measure his displacement from base camp to the top of Mount McKinley, what is the displacement in going from base camp to the top
A person's prescription for her new bifocal glasses calls for a refractive power of -0.461 diopters in the distance-vision part, & a power of +1.83 diopters in the close-vision part. Compute the near & far points of this person's uncorrected visio..
What minimumdistance are they from each other? The angle may be too large to use small angle approximation. suppose in units of m.
What least heat is needed to bring 80 of water at 20 to the boiling point and completely boil it away? (answere in Joules).
Pitman Co's tax rate is 40% for 2013 an all future years. At the end of 2013, the following deferred tax account and balance that should be reported on Pitman's balance sheet is?
A mass-spring system oscillates with an amplitude of 5.50cm. If the spring constant is 247N/m and the mass is 584g, determine the mechanical energy of the system
Explain how far x can a man who weighs 447 n from the right support which is 1.1 m from the right side of the board before the board tips?
A light ray propagates in a material with index of refraction 1.13, strikes an interface, and passes into a material whose index of refraction is 1.41, Find the angle of refraction
After a tornado, a 0.60g straw was found embedded 3cm into the trunk of a tree. If the average force exerted on the straw by the tree was 90N, what was the speed of the straw when it hit the tree.
If a curve with a radius of 85 m is properly banked for a car travelling 68 km/h, what must be the coefficient of static friction for a car not to skid when travelling at 97 km/h.
What would be the equilibrium temperature when a 270 g block of copper at 300°C is placed in a 150 g aluminum calorimeter cup containing 820 g of water at 12.0°C.
A 2.65 block is pushed 1.69m up a vertical wall with a constant speed by a constant force of magnitude F applied at angle 55.4 degrees with the horizontal. g= 9.8 m/s2. If the coefficient of kinetic friction between the block & wall is 0.54, Calcu..
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