Physics, 19.09.2020 01:01 brendacauani12345
How long will it take for a 1.5A current to coat evenly a layer of copper 0.1mm thick on both sides of a 12cm×12cm copper plate. (e. c.e o copper=0.00033/g/c, density of copper=9gcm^3)
Answers: 2
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 14:30
The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
Answers: 1
How long will it take for a 1.5A current to coat evenly a layer of copper 0.1mm thick on both sides...
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