Aroller coaster car rolls down a frictionless track, reaching speed v at the bottom. a. if you want the car to go twice as fast at the bottom, by what factor must you increase the height of the track? b. does your answer to part a depend on whether the track is straight or not? explain.
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Physics, 21.06.2019 16:20
Groups of organs that work together to complete a process in the body are called: a. cells b. tissues c. nerves d. systems
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Physics, 21.06.2019 20:20
Aforce of 34n stretches a very light ideal spring 0.73 m from equilibrium, what is the force constant (spring constant) of the spring? (a) 47n/m (b) 38n/m (c) 53n/m (d) 25n/m
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Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?
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Physics, 22.06.2019 11:30
You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?
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Aroller coaster car rolls down a frictionless track, reaching speed v at the bottom. a. if you want...
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