Physics, 16.10.2020 07:01 cabieses23
Simone created a chart to summarize the energy transformations that take place when energy from the wind is used to generate electricity.
A 2-column table with 2 rows titled Energy from Windmills. The first column labeled Process has entries wind spins turbines, turbines activate generators. The second column labeled energy Energy transformation has entries ?, mechanical energy transformed to electrical energy.
Which best completes the chart?
Answers: 1
Physics, 21.06.2019 16:40
Three point charges, two positive and one negative, each having a magnitude of 20 ฮผc are placed at the vertices of an equilateral triangle (30 cm on a side). what is the magnitude of the electrostatic force on the negative charge
Answers: 3
Physics, 21.06.2019 22:00
โขโข al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?
Answers: 3
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 1
Physics, 21.06.2019 22:50
Two horizontal plates with infinite length and width are separated by a distance h in the z direction. the bottom plate is moving at a velocity u. the incompressible fluid trapped between the plates is moving in the positive x-direction with the bottom plate. align gravity with positive z. assume that the flow is fully-developed and laminar. if the systems operates at steady state and the pressure gradient in x-direction can be ignored, do the following: 1. sketch your system 2. identify the coordinate system to be used. 3. show your coordinates and origin point on the sketch. list all your assumptions. 5. apply the continuity equation to your system. nts of navier stokes equations of choice to your system 7. solve the resulting differential equation to obtain the velocity profile within the system make sure to list your boundary conditions. check units of velocity 8. describe the velocity profile you obtain using engineering terminology. sketch that on the same sketch you provided in (1). 9. obtain the equation that describes the volumetric flow rate in the system. check the units.
Answers: 2
Simone created a chart to summarize the energy transformations that take place when energy from the...
Mathematics, 27.01.2020 19:31
Mathematics, 27.01.2020 19:31
Mathematics, 27.01.2020 19:31
Biology, 27.01.2020 19:31
Mathematics, 27.01.2020 19:31
History, 27.01.2020 19:31
Social Studies, 27.01.2020 19:31
Biology, 27.01.2020 19:31
History, 27.01.2020 19:31
Mathematics, 27.01.2020 19:31