Physics, 01.03.2021 22:10 kifeak2002
A spring is used to measure the centripetal force. Since a spring will exert a restoring force equal to the force applied to it, the centripetal force can be verified by measuring the amount of force need to stretch the spring a distance. We will assume a spring constant of 9m/N, That is it 1 N of force to move the spring 9 meters. For 6 different radius, covering the radius scale, calculate the force needed to stretch the spring.
Answers: 3
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Astudent looks at ocean waves coming into the beach. an ocean wave with more energy will a) have a greater height. b) have a greater period. c) travel toward the beach faster. d) strike the beach with greater frequency.
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Physics, 22.06.2019 06:30
The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?
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Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.
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A spring is used to measure the centripetal force. Since a spring will exert a restoring force equal...
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