Physics, 31.10.2019 19:31, kamand10

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squinting to see something in the distance may be because it flattens the iris.

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Physics, 21.06.2019 14:50, justinb0829

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Physics, 22.06.2019 10:30, laura52677

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?

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Physics, 22.06.2019 16:00, Andrebutrus

The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?

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Physics, 22.06.2019 17:40, yoongnzl

Aspring is used to stop a 50-kg package which is moving down a 20º incline. the spring has a constant k = 30 kn/m and is held by cables so that it is initially compressed 50 mm. knowing that the velocity of the package is 2 m/s when it is 8 m from the spring and neglecting friction, determine the maximum additional deformation of the spring in bringing the package to rest.

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squinting to see something in the distance may be because it flattens the iris...