Physics, 27.06.2019 04:50 isabellatessa86
You can switch the polarity of the bar magnet by clicking on the button with the bar magnet and two semi-circular arrows on the bottom right. note how the positions of the north and south poles are switched every time you click on this button. drag the bar magnet from left to right through the top coil, then repeat the same process after switching the polarity of the magnet. what effect, if any, does switching the polarity have on the brightness of the bulb and the needle of the voltmeter? you can switch the polarity of the bar magnet by clicking on the button with the bar magnet and two semi-circular arrows on the bottom right. note how the positions of the north and south poles are switched every time you click on this button. drag the bar magnet from left to right through the top coil, then repeat the same process after switching the polarity of the magnet. what effect, if any, does switching the polarity have on the brightness of the bulb and the needle of the voltmeter? switching the polarity of the magnet has no effect on either the bulb brightness or the voltmeter switching the polarity of the magnet has no effect on the bulb brightness, but inverts the direction of the needle deflection in the voltmeter switching the polarity of the magnet changes the average brightness of the bulb but has no effect on the voltmeter.
Answers: 3
Physics, 22.06.2019 10:30
The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.
Answers: 1
Physics, 22.06.2019 18:00
Gabby calls her cousin who lives in a different state and tells her to turn her radio to channel 98.7 so they can listen to their favorite song that is playing. her cousin turns her radio to 98.7, but does not hear the same song gabby hears. which most likely explains why?
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Physics, 22.06.2019 21:00
How is the acceleration of an object in uniform circular motion constant? a - in magnitude only b - in direction only c - in both magnitude and direction d - in magnitude, direction & orientation
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You can switch the polarity of the bar magnet by clicking on the button with the bar magnet and two...
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