Physics, 13.04.2020 02:49 ReveenatheRaven2296

What is most often given a value of zero to describe an object’s position on a straight line?

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Physics, 22.06.2019 07:30, darkskinnednune

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Physics, 22.06.2019 11:00, vanvalenpeyt

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space. b. we'll know it immediately because it will be brighter than the full moon in the sky. c. we won't know about it until 600 years from now. d. none of the above.

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Physics, 22.06.2019 16:50, justkevin1231

Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.

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Physics, 22.06.2019 21:00, cathydaves

During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver