Example E: Two identical strings are hung from a horizontal support as shown. Ablock of mass 5.0 kg is suspended from the pair of springs. When the block is inequilibrium, each spring stretches 10 cm. What is the force constant of each spring?wwwwwww5.0 kg

The final answer is:Force constant for each spring = 245 N/mExplanation:Step 1: Each spring is…

Answered: Example E: Two identical strings are…

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter8: Conservation Of Energy

Section: Chapter Questions

Problem 12P: A 1.50-kg object is held 1.20 m above a relaxed massless, vertical spring with a force constant of...

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A 0.400-kg pendulum bob passes through the lowest part of its path at a speed of 3.00 m/s. (a) What is the tension in the pendulum cable at this point if the pendulum is 80.0 cm long? (b) When the pendulum reaches its highest point, what angle does the cable make with the vertical? (c) What is the tension in the pendulum cable when the pendulum reaches its highest point?
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8. A 1.50 kg box rests on a plank that is inclined at an angle of 64.0° above the horizontal. The upper end of the box is attached to a spring with a force constant of 24.0 N/m, as shown in the figure. If the coefficient of static friction between the box and the plank is 0.24, what is the maximum amount the spring can be stretched and the box remain at rest? m 6 skp136 skp136 p136 skp136 skpl? 136 SAp 36 sk skp136 skp 136 skp136 skp136 skp skp136 skp136 skpk36 skpl3 skpr36 skp136 skp136 skp
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2) m. m m3 Now, three masses (m, = 4 kg, m, = 12 kg and m3 = 8) hang from three identical springs in a motionless elevator. The springs all have the same spring constant given above. What is the magnitude of the force the bottom spring exerts on the lower mass? N Submit 3) What is the distance the middle spring is stretched from its equilibrium length? cm Submit +) 4) Now the elevator is moving downward with a velocity of v = -3.8 m/s but accelerating upward at an acceleration of a = 3.6 m/s. (Note: an upward acceleration when the elevator is moving down means the elevator is slowing down.) What is the magnitude of the force the upper spring exerts on the upper mass? N Submit 5) What is the distance the lower spring is extended from its unstretched length? cm Submit

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Example E: Two identical strings are hung from a horizontal support as shown. A block of mass 5.0 kg is suspended from the pair of springs. When the block is in equilibrium, each spring stretches 10 cm. What is the force constant of each spring? wwwwwww 5.0 kg