What is the magnitude of the angular momentum relative to the origin of the 200 g particle in figure 1? What is the direction of the angular momentum?
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- As shown in Figure 2, a small square mass m connected to a massless rod moves in a circle of radius r with constant velocity v. In the following, approximate the square mass m as a point mass. a) Express the kinetic energy of the square mass in terms of angular velocity ω, r, and m. (Hint: In circular motion, how is ω related to v?) b) If we express the kinetic energy as K=1/2Iω^2, what is I for System 1?Does a ruler balance exactly at its midpoint? What does this imply about the mass distribution of the ruler?This is the answer to one of my practice problems, however I don't understand how the angular acceleration is simplified for A, B and C. How does rFsin90/(2M)(2L) equal 3F/ML and etc. for the other ones? And then after you simplify all the angular accelerations, how do you know which one is smallest to greatest? How do you tell that C is greater than B?
- 2: A bicycle wheel with a diameter (0.5 meter) was spinning at time (t-0) at a velocity of (5 meters per second). If the wheel is spinning at a constant acceleration (0.55 revolutions per second squared). What is the angular displacement of the wheel after 5 seconds?How can angular velocity be determined by angular displacement?Please answer correctly
- The angular momentum of a rocket spiraling out of control is given by L = (3t² + 41-3/2) k . %3D What is the net torque on the rocket?I don't understand why B would be the correct answer? Shouldn't the potential energy be decreasing as Mars gets farther, since the gravitational force decreases? And why is angular momentum the same?Planet earth orbits around the Sun and also spins on it's own axis.What would the angular momentum in kilograms meters squared per second of the Earth in it's orbit around the Sun and Earth spinning on it's axis?
- This question is similar to one given to me on my homework assignment. I do not understand the values given for the radius (given by my instructor) when trying to find the angular velocity of point E. What radius values and or diameter values do I have to use regarding pythagoreans theroem to obtain the needed radius to plug into VE=rwQUESTION 3 For 3-dimensional rotational motion of an electron, the total angular momentum... depends on I and m. has a degeneracy of 21. equals ħ/1(1+ 1). none are correctQuestion is attached