A mass of 1.25 kg stretches a spring 0.05 m. The mass is in a medium that exerts a viscous resistance of 4 N when the mass has a velocity of 4 The viscous resistance is proportional to the speed of the object. m . S Suppose the object is displaced an additional 0.08 m and released. m Find an function to express the object's displacement from the spring's natural position, in m after t seconds. Let positive displacements indicate a stretched spring, and use 9.8 as the acceleration due to 8² gravity. u(t) =
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- A mass of 240 g oscillates on a horizontal frictionless surface at a frequency of 2.5 Hz. a. What is the effective spring constant for this motion?There is a 2.02 kg box at three points in time. Initial the box is moving to the left at 12 m/s. A. How much kinetic energy is does the box have while moving to the left in time 1? _________ JoulesB.The box then hits into a spring with a spring constant of 534 N/m. At the point of max compression all of the boxes kinetic energy goes into elastic potential energy. How much is the spring compressed at that point ______ metersSuppose that during each step, the leg of the student, which is 0.90 meters long, swings through a total distance of 2.0 m. At the end of the swing, this foot rests on the ground for 0.2 s before the other leg begins its swing. a. At what speed does this student walk? (Think carefully about how far forward the student moves at each step.) b. The swinging leg reaches its maximum speed at the bottom of its arc. How many times faster is this maximum leg speed (measured with respect to the ground) than the average walking speed?
- A 63 kg diver is standing on a diving board waiting to commence her dive. The diving board has compressed 8.0 cm. a. Determine the maximum height the diver will reach. Include a system and FBD in your work. b. What will happen to the diver's height with each successive jump? Explain why.1. 0.065 kg object is attached to a spring is a spring constant of Joo N/m. The other end of the spring to attached to a wall an Such a way that 3+ rests on a frict'sonless horizontal surface. so that it expreñiences sample Ă 4 exerted on the spring force harmorisc motson. a. tiow much work would be done on the spring to compress24 -by. 11 cm. b. Assuming that there so no friction. describe the energy conversaçons that take place, being sure to explain the location of maximum elastic potential energy and maximum k²netic energy. c. \Nhat will the speed of the object be when it's passing the point of being compressed by only 5.5 cm?. (Assume that the mass of the Spring negiigable.)Don't use chat gpt
- A block on a horizontal surface is attached to a horizontal spring of negligible mass. The other end of the spring is attached to a wall, and there is negligible friction between the block and the horizontal surface. The block-spring system is then placed into simple harmonic motion. The figure shows a graph of the velocity of the block as a function of time. At which of the following times does the block-spring system have maximum spring potential energy? A.1.5 s B.2.5 s C.2 s D.4.5 s25.0 0 25.0 0 30.00 w ww 15.0 0 10.00 20.0 0! 20.0 0 50.0 0 3. 40.00 50.00 wwA spring with a spring constant of k=157N/m is initially compressed by a block a distance d=0.21m. The block is on horizontal surface with coefficient of kinetic friction yk static friction ys and has a mass of m=6kg B)Assuming the block is released from the initial position and begins to move to the right input an expression for the sum of the force in the x- direction in the configuration.
- Classical Mechanics. A block of mass m = 5.00-kg is moving to the right with a speed of v = 2.00 m/s on a horizontal, frictionless surface. The block encounters a relaxed (that is, neither compressed nor extended) spring with spring constant k = 2,000.00 N/m. a. What is the kinetic energy of the block before hitting the spring? b. What is the kinetic energy of the block when the spring is at maximum compression? c. How much energy is stored in the spring at maximum compression? d. How far does the spring compress at its maximum compression? e. If the spring converts its stored energy completely into motion of the block, what is the speed of the block after release from the spring? f. (For this part of the problem, the surface is not frictionless) Suppose the speed of the block after release from the spring is 1.5 m/s to the left, how much work (sign and magnitude) was done by non-conservative forces between the time when the initial velocity is 2.00 m/s and the time when the velocity =…A spring with a force constant of 300 N/m is attached to and compressed by a 4 kg mass to a compression of 1.5 m. The mass is released from rest. The surface is frictionless. How much time does it take the mass to return to the equilibrium position the first time after release? What is the velocity of the mass when it returns to the equilibrium position the first time after release? Include sign.Question 6 When a student stretches a spring, what is the flow of energy? a. Energy goes into the spring and into the student. X b. There is no change in the energy of the spring, only for the student. c. There is no change in the energy of the student, but there is a change for the spring. d. Envery leaves the spring and goes to the student. e. Energy goes into the spring from the student.