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a) A system consists of three particles, each of mass 2.15 g, located at the corners of an equilateral triangle with sides of length 35.0 cm. What is the potential energy of the system?
b)Choose the one correct response. If the masses are released simultaneously, they will:
- stay where they are
-collide in the middle
-drift apart
Erected a new sign welcoming people to the campus. The sign is painted on a rectangle of graphite reinforced epoxy which will not bend and measures 3 ft high and 5 ft wide. This sign is fastened along its 3 ft side to a hollow 2014-T6 aluminium (allo..
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A fan is to accelerate quiescent air to a velocity to 12 m/s at a rate of 3 m3/min if the density of air is 1.15 kg/m3, the minimum power that must be supplied to the fan is
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