Find forces that act on parts of standard sewing machines
What are the forces that act on parts of the standard sewing machines. What other physic mechanisms are involved in a sewing machine?
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A thin film of alcohol lies on a flat glass plate. The reflected light is a minimum for 496 and a maximum for 620. What is the minimum thickness of the film?
A 0.20kg billiard ball traveling at a speed of 15 m/s strikes the side rail of a pool table at an angle of 60 degrees. If the side rail rebounds at the same speed and angle what is the change in its momentum?
A test charge (q0 = -9.80 x 10-8 C), with a mass of 1.20 x 10-8 kg, is released from rest at one of the corners of the square. Determine the speed of the test charge when it reaches the center of the square.
While the image of the soldier poet may seem like an unlikely mix, the devastating effects of technological warfare experienced during WWI were the impetus for WWI poetry.
Amber,Samantha and Tena want to do the ultimate crash test.They set up a ramp with 7 books and run a 800g car down the ramp.The velocity of the car at the end of the ramp is 4.8 m/s. If the 800g car runs into a stationary 300g car at the bottom of
Express the following queries with relational algebra expressions. You may use any relational algebra operations, including joins and division. Your solutions will be graded primarily on correctness.
a 92 kg water skier floating in a lake is pulled from rest to a speed of 12 m/s in a distance of 25 m. what is th net force exerted in the skier, assuming the acceleration is constant.
What would have happened if the Persians had defeated the Athenians and Spartans when they invaded Greece? What long term effects would be noticeable in the history of western civilization?
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