Aphysics student skis down a hill, accelerating at a constant
2.0 m/s2
if it takes her 15...
Answers: 1
Physics, 22.06.2019 17:40
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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Physics, 23.06.2019 13:00
Why, on the molecular level, does changing the amount of baking soda or vinegar affect the amount of carbon dioxide gas produced?
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Physics, 23.06.2019 14:30
Kinetic energy depends a. mass b. speed (velocity) c. both of the above d. none of the above
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Physics, 24.06.2019 01:40
The sticky substances in cigarettes that coat the lining of the lungs are
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