Physics Laboratory Manual
4th Edition
ISBN: 9781133950639
Author: David Loyd
Publisher: Cengage Learning
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Chapter 20A, Problem 3PLA
To determine
The force exerted by the spring.
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A block sliding along a frictionless, horizontal surface with a speed of 0.5 m/s collides with a spring attached to a wall. The spring is compressed 18.0 cm before the block is stopped. If the same block were to collide with the spring again while having a speed of 2.6 m/s, what would the spring's compression be before stopping the block this time, in centimetres? Be clear and show your work. (handwritten)
A cat massing 4 kg jumps off a table from a height of 1.3 m above the ground and lands on a cushion that is 40 cm thick. The cushion stops the cat over a distance of 20 cm. If the cushion acts like a spring, find the spring constant. Show your work
A certain spring has a force constant k. (a) If this spring iscut in half, does the resulting half spring have a force constantthat is greater than, less than, or equal to k? (b) If two of theoriginal full-length springs are connected end to end, does theresulting double spring have a force constant that is greaterthan, less than, or equal to k? Show your work and explain.
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Physics Laboratory Manual
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- Jill of the Jungle swings on a vine 6.9 m long. What is the tension in the vine if Jill, whose mass is 63 kg, is moving at 2.4 m/s when the vine is vertical? Show your work and explain.arrow_forwardanswer the question and show your workarrow_forwardPlease answer all components of the question: How far will a 68 kg box slide across a horizontal surface after it's placed on a 60-degree ramp, 8.3 m far up (on) the incline (not the height) if: a) The ramp is frictionless, but the ground after it has a coefficient of 0.193. Explain/Show your work. b) The ground is frictionless, but the ramp has a coefficient of 0.193. Explain/Show your work. c) The ramp and the ground both have a coefficient of 0.193.Explain/Show your work. d) Now both ramp and ground are frictionless - what is the final velocity of the box at the bottom of the ramp? Explain/Show your work.arrow_forward
- Please show all your work on the paper.arrow_forwardA tie of uniform width is laid out on a table, with a fraction of its length hanging over the edge. Initially, the tie is at rest. (a) If the fraction hanging from the table is increased, the tie eventually slides to the ground. Explain. (b) What is the coefficient of static friction between the tie and the table if the tie begins to slide when one-fourth of its length hangs over the edge? Show your work and explain.arrow_forwardCalculate the internal force required by the biceps brachii to hold the elbow in 90° of flexion for each example. Show your work.arrow_forward
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