9. Henry ties a rope to the handle of a door. He moves the rope up and down to make wavesi He begins moving it quicker and the wave almost seems to stand still. He has made a standing wave. The areas on the wave where the amplitude is zero are called and the areas on the wave where the amplitude is the greatest are known as
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Velocity is a description of both speed and direction, therefore it - a vector - a force arrow - the same as acceleration - a magnitude
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Ms.hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.
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What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?
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As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?
Answers: 1
9. Henry ties a rope to the handle of a door. He moves the rope up and down to make wavesi He begins...
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