Physics, 02.10.2019 01:30 brisafe2023
In last week’s problem 4, you were asked to consider a massmsliding frictionlesslydown an inclined plane of massm, while the plane itself was free to slide frictionlesslyon the floor. last week, you found the equations of motion for this system usingd’alembert’s principle. this week, give it another try, using lagrange’s equations.(a) show and name the generalized coordinates you will use. how many degrees offreedom are there? (b) write the lagrangian for the system using your choice of coordinates.(c) write the equations of motion. do they match what you found last week?
Answers: 2
Physics, 22.06.2019 01:10
Aparticle initially moving east with a speed of 20.0 m/s, experiences an acceleration of 3.95 m/s, north for a time of 8.00 s. what was the speed of the particle after this acceleration, in units of m/s? give the answer as a positive number.
Answers: 1
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:
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Physics, 22.06.2019 14:30
What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?
Answers: 1
Physics, 22.06.2019 21:20
The strong nuclear force acts over a small distance than the electrostatic force. true or false
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In last week’s problem 4, you were asked to consider a massmsliding frictionlesslydown an inclined p...
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