Physics Laboratory Manual
4th Edition
ISBN: 9781133950639
Author: David Loyd
Publisher: Cengage Learning
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Textbook Question
Chapter 20, Problem 3PLA
A spring has a spring constant k = 8.75 N/m. If the spring is displaced 0.150 m from its equilibrium position, what is the force that the spring exerts? Show your work.
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Chapter 20 Solutions
Physics Laboratory Manual
Ch. 20 - Prob. 1PLACh. 20 - Other than the type of force that produces it,...Ch. 20 - A spring has a spring constant k = 8.75 N/m. If...Ch. 20 - A spring of constant k = 11.75 N/m is hung...Ch. 20 - A spring with a mass on the end of it hangs in...Ch. 20 - A massless spring has a spring constant of k =...Ch. 20 - A massless spring of k = 6.45 N/m has a mass M =...
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- The potential energy of an object attached to a spring is 2.80 J. If the amplitude A of the simple harmonic motion is 17.0 cm and the spring constant k is 277 N/m, what is the kinetic energy of the mass-spring system when the potential energy is 2.80 J? What is the magnitude of the largest force F(spring,max) that the object experiences? Show your work.arrow_forwardA spring with a spring constant of 1.7 N/cm is attached to a 3.2 kg mass. If you were to pull and release the mass, what would be the frequency of the system, in Hz? Be clear and show all your work. (handwritten)arrow_forwardIn the ballistic pendulum shown below, the block has a mass of 1.4 kg, the bullet has a mass of 0.0091 kg, and the string has a length of 2.62 m. A bullet is shot directly at the block, lodging into the block, and causing the pendulum to swing forward 20°. What was the initial speed of the bullet, in m/s? Be clear and show all your work. (handwritten answer)arrow_forward
- Use the worked example above to help you solve this problem. A block of mass m1 = 1.72 kg, initially moving to the right with a velocity of +3.95 m/s on a frictionless horizontal track, collides with a massless spring attached to a second block of mass m2 = 2.01 kg moving to the left with a velocity of −2.83 m/s. The spring has a spring constant of 6.33 x102 N/m. (a) Determine the velocity of block 2 at the instant when block 1 is moving to the right with a velocity of +3.00 m/s. (Indicate the direction with the sign of your answer.) (b) Find the compression of the spring.arrow_forwardJill 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_forwardSolve each problem and show all work The Washington Monument is 555 feet tall. If 1 meter = 3.28 feet, what is the height of the Washington Monument in meters? A worker assigned to the restoration of the Washington Monument is checking the condition of the stone at the very top of the monument. A nickel with a mass of 0.005 kg is in her shirt pocket. What is the gravitational potential energy (GPE) of the nickel at the top of the monument? What is the kinetic energy (KE) of the nickel in her shirt pocket at the top of the monument? If the nickel accidentally falls out of her pocket, what will happen to the gravitational potential energy (GPE) of the nickel as it falls to the ground? If the nickel accidentally falls out of her pocket, what will happen to the kinetic energy (KE) of the nickel as it falls to the ground?arrow_forward
- If a slinky has a mass of 0.5 kg and 100 loops, calculate the mass density (m/L) of a slinky that is stretched 5 m, but only 80 loops are stretched. Show your work.arrow_forwardIf you make a spring stiffer does the angular frequency of oscillation, increase, decrease, or stays the same. Please show your work.arrow_forwardplease show work/ all the steps.arrow_forward
- A steel cable lifting a heavy box stretches by ∆L. In order for the cable to stretch by only half of ∆L, by about what factor must its diameter change? Assume the cable is cylindrical. Show your work.arrow_forwardCalculate the magnitude of motive and stabilizing/destabilizing force when a muscle attached to a bone at a distance d = 2.2 cm from the joint center exerts Fm = 250 N of tension at the following angles of attachment (λ): a) 30̊, b) 60̊, c) 90̊, d) 120̊, e) 150̊. Insert your results in the graph below. Interpret your findings. What does this result imply for muscle force generation? NOTE: You will have to create two curves in your graph. Label them clearly. Show your work.arrow_forwardA worker lifts a 20 kg block to a height of 1.5 meters. How much power was used by the worker if this process takes 5 seconds? Show your workarrow_forward
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