QUESTION S A spring is extended by a distance of 0.20 m from is equilibrium length when a force of 45.6 N is applied to it. The spring constant is N/m?
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A: Solution: Given that mass m = 1000 kg k = 4.6x106 N/m x = 2.76 cm = 0.026 m
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Q: An automobile having a mass of 1,000 kg is driven into a brick wall in a safety test. The bumper…
A: Given , M = 1000 kg K = 5.75 x 106 N/m x = 3.1 cm = 0.031 m V = ?
Q: llel m Spring is compressed ax, then mes is released
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Q: shown in figure. Assuming a force of kinetic friction acts between the block and the surface, with…
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Q: A spring that has stiffness constant 224N/m rests at its equilibrium length of 14cm, with one end…
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- M d H h A shipping company designed a new system to fill their delivery trucks. They are using a spring of stiffness coefficient k-2000 N/m to accelerate packages of mass m=3.5 kg up a ramp of length d=8 m, has kinetic friction coefficient u=0.5, and makes an angle of 0=45° above the horizontal. a) If the spring is compressed a distance x=0.7 m prior to launching a package, how much energy does the package have before launching up the ramp? b) Does the package lose any energy as it goes up the ramp? If so, how much? If not, why? c) At what speed will the package leave the ramp? d) If end of the ramp is H=5.66 m above the ground and the truck's bed is h=1.2 m above the ground, at what distance, L, should the truck park from the end of the ramp so the packages land in its bed?An automobile having a mass of 1000 kg is driven into a brick wall in a safety test. The bumper behaves like a spring with constant 4.35 106 N/m and is compressed 3.03 cm as the car is brought to rest. What was the speed of the car before impact, assuming no energy is lost in the collision with the wall? m/sWhen a spring with stiffness constant k is compressed or stretched by a distance x the elastic potential energy stored by the spring is A. -kx B. 0.5kx^2 C. 0.5mv^2 - U (x) D. [None of the others.] E. kx F. mgx
- 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.)11. A block of mass 1.2 kg lies on a frictionless surface. A man slides the block against a spring, compressing it .15m. When the man lets go of the spring, the block moves at 5 m/s. What is the spring constant of the spring? wwwwA 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.
- A block with mass 0.50 kg is forced against a horizontal spring of negligible mass, compressing the spring a distance of 0.20 mm (Figure 1). When released, the block moves on a horizontal tabletop for 1.00 mm before coming to rest. The spring constant k is 100 N/m. What is the coefficient of kinetic friction between the block and the tabletopAn automobile having a mass of 1000 kg is driven into a brick wall in a safety test. The bumper behaves like a spring with constant 4.75 106 N/m and is compressed 2.70 cm as the car is brought to rest. What was the speed of the car before impact, assuming no energy is lost in the collision with the wall? m/sIn the figure below a 1.24-kg block is held at rest against a spring with a force constant K 700 N/m. Equibium paition di Rou gh pctch O=A Initially, the spring is compressed a distance d. When the block is released it slides across a surface that is frictionless, except for a rough patch of width = 4.89 cm that has a coefficient of kinetic friction k= 0.554. Calculate a such that the block's speed after crossing the rough patch is 2.44 m/s.
- 10 cm long spring, with a spring constant of 27 N/m, is used to reload the ball in a pinball machine. The spring is compressed by 4.0 cm by a mechanism in the machine and then let go. a. Calculate the elastic potential energy stored in the spring A new spring is fitted into the machine. It only needs to be compressed by 3.0 cm to store the same amount of elastic potential energy as the previus spring. b. Calculate the spring constant of this new spring The owner of the game wants to double the potential energy stored in this new spring. c. Calculate the compression of the spring needed in order to achieve thisA 2.6kg box is sliding along a frictionless horizontal surface with a speed of 1.8m/s when it encounters a spring. A. Determine the force constant of the spring if the box compresses the spring 7.50cm before coming to rest. B. Determine the initial speed the box would need to be in order to compress the spring by 1.30cmA 25 kg mass sliding on a horizontal frictionless floor at 10 m/s rams a spring that is attached to a vertical wall. a) Determine the spring constant when the maximum compression of the spring is 0.453 meters? b) How much compression does the spring have if the speed of the mass has decreased to 7.5 m/s? Show the fbd/figure, given and formula used.