61.When a 3.0-kg block is pushed against a massless spring of force constant constant 4.5×10' N/m, the spring is compressed 8.0 cm. The block is released, and it slides 2.0 m (from the point at which it is released) across a horizontal surface before friction stops it. What is the coefficient of kinetic friction between the block and the surface?

61.When a 3.0-kg block is pushed against a massless spring of force constant constant 4.5×10' N/m, the spring is compressed 8.0 cm. The block is released, and it slides 2.0 m (from the point at which it is released) across a horizontal surface before friction stops it. What is the coefficient of kinetic friction between the block and the surface?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

5
A box is motionless, sitting on a ramp with an incline of 0 =51.1 ° being pulled in the direction up the ramp by a spring with a spring constant of k=60 N/m that is stretched x=2.8 m. The coefficient of friction between the ramp and the box are u s=0.6 and u k=0.31 and the friction force is going down the ramp. What is the mass of the box? Solve symbolically: Solve numerically: m= Units: If the box starts moving up a ramp with an acceleration of a=1.72 m/s, what is the new length that the spring will stretch? Solve symbolically: Solve numerically: Units:
Imm A V3 smooth Brough C -S V4 A 5-kg block is held in place against the spring by a 67-N horizontal external force. The external force is removed, and the block is projected with a velocity v₁ = 2.3 m/s upon separation from the spring. The block descends a ramp and has a velocity v₂ = 3.5 m/s at the bottom. The track is frictionless between points A and B. The block enters a rough section at B, extending to E. The coefficient of kinetic friction is 0.39. The velocity of the block is v3 = 1.8 m/s at C. The block moves on to D, where it stops. What is the spring constant of the spring? Express your answer in N/m, to at least one digit after the decimal point. plz help and use g = 9.8
4. A 10.0 kg puppy running at 3.00 m/s jumps onto a motionless 4.00 kg surfboard. The coefficient of kinetic friction between the puppy and the surfboard is 0.400. The surfboard skims without friction across the water. (a) How fast will the puppy skim across the water after jumping on the surfboard? (b) How much time will it take for the puppy to stop sliding on top of the surfboard after jumping onto the surfboard? (c) How far will the puppy slide on top of the surfboard?
A 3.00 ✕ 105 kg subway train is brought to a stop from a speed of 0.500 m/s in 0.800 m by a large spring bumper at the end of its track. What is the force constant k of the spring? N/m
A 11.2 kg weather rocket generates a thrust of 220 N . The rocket, pointing upward, is clamped to the top of a vertical spring. The bottom of the spring, whose spring constant is 580 N/m , is anchored to the ground. Initially, before the engine is ignited, the rocket sits at rest on top of the spring. How much is the spring compressed? Express your answer with the appropriate units. After the engine is ignited, what is the rocket's speed when the spring has stretched 30.0 cm ? Express your answer with the appropriate units. For comparison, what would be the rocket's speed after traveling this distance if it weren't attached to the spring? Express your answer with the appropriate units.
PM2.3 please explain each step
15. Gotta stay boosted. A 1.50 [kg] box moves along a frictionless horizontal surface with an initial speed of 5.00 [m/s] going to the right. A constant 3.00 [N] force is then applied to the box at an angle 0 = 35.0° with respect to the displacement vector. What is its final speed after moving 2.00 [m]? A. 4.91 [m/s] B. 5.62 [m/s] C. 5.74 (m/s] D. 6.00 [m/s]
Tendons. Tendons are strong elastic fibers that attach muscles to bones. To a reasonable approximation, they obey Hooke’s law. In laboratory tests on a particular tendon, it was found that, when a 248-g object was hung from it, the tendon stretched 1.22 cm. (a) Find the force constant of this tendon in N/m. (b) Because of its thickness, the maximum tension this tendon can support without rupturing is 140 N. By how much can the tendon stretch without rupturing, and how much energy is stored in it at that point? Draw free-body diagram.
no handwriiten answers accepted...
A bowling ball m = 1.7 kg is dropped from a height h. It falls a distance, d, before encountering a large tube r = 4.2 m which is connected by two bolts, each of which can sustain a force of F = 190 N before failing. A-Write an expression for the maximum distance, d, above the pipe from which the ball can %3D %3D be dropped so the bolts do not fail. B- What is the distance, in meters?
1.A weight lifter lifts a 350-N set of weights from ground level to a position over his head, a vertical distance of 2.00m. How much does the weights lifter do, assuming he moves the weights at constant speed? with free body diagram.