Physics, 03.11.2020 03:10 gonzalesalexiaouv1bg
(2) I have a great idea to stretch a sheet of aluminized mylar over a large (2 m dia) drum and pump out the air inside the drum to create a large objective mirror for a reflecting telescope at low cost. Will the idea work, and if not, why not?
Answers: 1
Physics, 21.06.2019 18:00, Pumpkinputters
Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?
Answers: 1
Physics, 22.06.2019 11:30, georgesarkes12
1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your
Answers: 2
Physics, 22.06.2019 20:50, isarahweller103
Suppose that a mass of 2 kg is attached a spring whose spring constant is 50. the system is damped such that b = 12 . the mass is set in motion with an initial velocity of -8 m/s at a position 0 meters from equilibrium. set up and solve a differential equation that models this motion. write your solution in the form a cos ( ω t − α ) where α is a positive number. use your solution to fill in the information below: what is the amplitude of the motion? what is the value of ω ? what is the phase shift?
Answers: 1
(2) I have a great idea to stretch a sheet of aluminized mylar over a large (2 m dia) drum and pump...
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