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Question: A 62.0-kg skier is moving at 6.50 m/s on a frictionless horizontal snow-covered plateau when she encounters a rough patch 3.50 mlong. The coefficient of kinetic friction between this patch and her skisis 0.300. After crossing the rough patch and returning to friction-free snow,she skis down an icy, frictionless hill 2.50 m high.
(a) How fast is the skier moving when she gets to the bottom ofthe hill?
(b) How much internal energy was generated in crossing the roughpatch?
A wire that has a resistance of 5 is passed through an extruder so as to make it into a new,What is the resistance of the new wire
You may neglect the small amount of time it takes for the light to travel the 500 ft.
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what is the critical angle for total internal reflection in a diamond when the diamond is in air immersed in water the
A 7.42-g bullet is moving horizontally with a velocity of +362 m/s, where the sign + indicates that it is moving to the right, find the velocity of the second block after the bullet imbeds itself
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