A rock falls from a vertical cliff that is 4.0 m tall and experiences no significant air resistance as it falls. At what speed will it's gravitational potential energy (relative to the base of the cliff) be equal to its kinetic energy in m/s?

Q: a student studie on of time t, ob

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Q: 3. What happens to the box when you remove the applied force acting on it? Why?

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Q: 10: A spherical mirror has a radius of curvature of R = +2 m. a) what is its focal length? [2 pts] A…

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Q: N vs. TIME graph below, click on the spot where the VELOCITY IS ZERO (the arrow will be placed where…

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Q: 11, 12, 13, and 14. Thank you.

A: Hi. According to our guidelines, we only answer one question with maximum three subparts per…

Q: 1. A capacitor is storing 1.6 J of potential energy and 7.2 mC of charge. If the plates are…

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Q: Problem 2: Suppose the massless rod in the discussion of the nonlinear pendulum is a string of…

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Q: II. Two metal balls are hanging from the ceiling by light weight cords. Ball 1 has mass m, = 40.0g…

A: mass of first ball = 40 g mass of second ball = 80 g initial height of first ball = 20 cm collision…

Q: v= 0- i mi/hr

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