Physics, 17.09.2019 23:10 harrypottergeek31
Acharged nonconducting rod, with a length of 3.06 m and a cross-sectional area of 4.32 cm2, lies along the positive side of an x axis with one end at the origin. the volume charge density rho is charge per unit volume in coulombs per cubic meter. how many excess electrons are on the rod if rho is (a) uniform, with a value of -4.31 µc/m3, and (b) nonuniform, with a value given by rho = bx2, where b = -2.59 µc/m5?
Answers: 1
Physics, 22.06.2019 07:30
Which of the following is an example of motion in two dimensions?
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Physics, 22.06.2019 14:10
Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:
Answers: 3
Physics, 22.06.2019 17:00
Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?
Answers: 1
Acharged nonconducting rod, with a length of 3.06 m and a cross-sectional area of 4.32 cm2, lies alo...
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