Physics, 03.12.2019 03:31 trinityanne1738
Acheerleader lifts his 43.8 kg partner straight up off the ground a distance of 0.737 m before releasing her. assume the partnerās velocity is zero at the beginning and the end of the lift. the acceleration of gravity is 9.8 m/s 2 . if he does this 27 times, how much work has he done? answer in units of j.
Answers: 2
Physics, 21.06.2019 20:30
Aball is thrown straight up into the air with a speed of 21 m/s. if the ball has a mass of 0.1 kg, how high does the ball go? acceleration due to gravity is g = 9.8 m/s^2. a. 22.5 m b. 20.0 m c. 25.0 m d. 17.5 m
Answers: 2
Physics, 22.06.2019 03:30
Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.
Answers: 3
Physics, 22.06.2019 04:10
An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45ā. what percentage of the initial intensity is transmitted by the system?
Answers: 2
Physics, 22.06.2019 06:30
5submission this assignment is worth 20 points total. you are required to submit the following by next lab: 1. (3 points) determine the equation for the output angular velocity Ļ2 = ĪøĖ 2 as a function of Īø1, Ļ1 = ĪøĖ 1 and Ī±. you must show all your work to receive credit. 2. (2 points) use the result of problem#1 to plot Ļ2 over 0 ā¤ Īø1 ā¤ 360deg with Ļ1 = 360deg/sec. do this for Ī± = {10,30}deg. show the results on the same plot and properly label the axes, title, legend. for this you can use matlab or ms excel. 3. (3 points) determine the equation for the output angular acceleration ĻĖ 2 and create a plot similar to the one in problem#2. 4. (10 points) submit plots of the results (Ļ2 and ĻĖ 2) obtained from creo/mechanism and compare them to results of problem#2 and problem#3. note that you should do these comparisons for the two cases with Ī± = {10,30}deg. 5. (2 points) provide a brief explanation of the results. did they match? what are the implications as misalignment angle increases?
Answers: 3
Acheerleader lifts his 43.8 kg partner straight up off the ground a distance of 0.737 m before relea...
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