Physics, 07.07.2019 03:30 effypoosays4304
Acylindrical block of aluminum has a radius 2.5 cm and length 20 meters. the center of the cylinder has 20 mm of aluminum removed radially (a) what is the resistance of this block of material? (b) what temperature would the aluminum have to be at to have the same resisttivity as tungsten of the same size and length? c) how much power is dissipated when 30 amps of is passed through the cylindrical block using the resistance from part a.
Answers: 1
Physics, 21.06.2019 22:30
A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?
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You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.
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Acylindrical block of aluminum has a radius 2.5 cm and length 20 meters. the center of the cylinder...
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