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Compute each part of following problem:
Problem: A record player is sitting flat on a table. The record is spinning counter-clockwise and slowing down.
Part I: Which direction does the angular velocity vector point?
Part II: Which direction does the angular acceleration vector point?
Show your work to receive full credit for this problem. Thanks.
A space traveler weighs 631 N on Earth. What will the traveler weigh on another planet whose radius is 2 times that of earth and whose mass is 3 times that of earth
An AC generator supplies 185 V peak voltage at 110 Hz frequency. How much power is dissipated in a resistor with R = 295 ? resistance connected to the generator?
Suppose there are 3 equal resistors, how many arrangements,using all 3 resistors in each, could you set up? each arrangement should have a different total equivalent resistance. draw the arrangements and explain how you determined that you have al..
The equation of a transverse wave on a string is y = (2.0mm) sin[(22 m-1)x - (500s-1)t]. The tension in the string is 20 N. What is the wave speed? Discover the linear density of this string.
an isolated conducting sphere has a 9 cm radius. one wire carries a current of 1.000 002 0 a into it. another wire
A converging lens with a focal length of 5.0cm is to the left of a second identical lens. When a feather is placed 13cm to the left of the first lens, What is the separation between the lenses
In figure (a), a 4.2 kg dog stands on a 15 kg flatboat at distance D = 6.1 m from the shore. It walks 2.1 m along the boat toward shore and then stops. Assuming no friction between the boat and the water, find how far the dog is then from the shore.
A laser peripheral iridotomy is a procedure for treating an eye condition known as narrow-angle glaucoma, in which pressure buildup in the eye can lead to loss of vision. How many photons does the laser deliver
Speedy Sue, driving at 30.0 m/s, enters a one-lane tunnel. She then observes a slow-moving van 155 m ahead traveling at 5.00 m/s. obtain the distance of closest approach between Sue's car and the van
a person of mass 50 kg has a wavelength of 4.42 x 10^-36 m when running. how fast is she running
A 30 µF capacitor is charged to 88 V and is then connected across a 440 ? resistor. What is the initial charge on the capacitor? What is the initial current just after the capacitor is connected to the resistor?
Why is the spectrum from a black body source continuous while a spectrum for a gas discharge source of the same apparent color temperature has sharp peaks? How is the energy distributed in each of these sources?
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