A particle of mass 3.8 kg is constrained to move along the x-axis under a single force F(x) = -cx, where c = 6.0 N/m. The particle's speed at A, where xa = 1.0 m, is 5.7 m/s. What is its speed (in m/s) at B, where xR = -2.0 m? m/s

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A: Given, Force, Fx = -8xMassm = 3 kg , when x = 6.75 m  , v = 4 m/swhen x=2.5m , v = ?

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A: 2.  mass, m = 29 kg  U(x) = -2x3-x2-8

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Q: The gravitational potential energy of a 700kg elevator at the top of a building, 350m above the…

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A: Given: m=811 kgvo=16 m/sh=41 m

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A: mass of the proton, m = 1.67 ×10-27 kgaccelerated along the straight line at, a = 4.60 ×1010…

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Q: A particle of mass 3.4 kg is constrained to move along the x-axis under a single force F(x) = -cx',…

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Q: A particle moving along the a-axis has the potential energy PE = 200/x2 J, where x is in meters.…

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A: The correct choice of answer is option (a) i.e. 1300 W

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A: We can solve this problem using conservation of energy.

Q: Q28. A boy climbs onto a wall that is 3.4 m high and gains 2250 J of potential energy. What is the…

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A: potential energy = - ∫f.dx = -∫(-5x2 +7x)dx = - (-5x3/3 + 7x2/2) = (5/3)(x3) - 3.5 x2 total energy…

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