Q5) A frictionless slide is made out of a straight part which is connected to a segment of a circle of radius R= 5.87 m. The circle segment subtends and angle 0 = 15.8 degrees on each side of the vertical as shown in the figure. The slide ends on the right end of the circle segment. A block of mass m=2.90 kg starts from rest at a height h=20.9 m above the lowest part of the slide.
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- please asapA 9.0-kg bunny slides from rest down a frictionless incline from a height of 5.0 m. A constant frictional force, introduced at point A, brings the bunny to rest at point B, 19 m to the right of point A. What is the Speed of the bunny before it reaches point A? What is the coefficient of kinetic friction, µk, of the surface from A to B?Use conservation of energy to solve both parts of the following problem (initial kinetic energy + initial gravitational potential energy = final kinetic energy + final gravitational potential energy): A skydiver with a mass of 80.0 kg steps out of a hot-air balloon holding at an altitude of 1.00 km and opens their parachute at an altitude of 200. m. While they’re in free-fall, there is a total drag force of 50.0 N on them. Once the parachute has opened, there is a total drag force of 3.60 kN on them. (y = 0 at 200. m) (a) How fast is the skydiver going when they open their parachute? (b) How fast will they be going once they touch down?
- a tire swing is hanging from a rope of the length 5 meters long. It swings from an initial angle of 30 degrees relative to the vertical. The mass of the tire is 19k. what is the maximum tensionpervious question: Same type of track as in the previous problem, this time with d = 4.73 m. The block starts at x = 0, and is given a push to the left with an initial speed of 7.57 m/s, so it starts sliding up the track to the left. At what value of x will the block reverse direction and start sliding back down? New question: OK, same sort of track, but now with d = 2.12 m. Now suppose the blocks starts on the track at x = 4.10 m. The block is given a push to the left and begins to slide up the track, eventually reaching its maximum height at x = 0, at which point it turns around and begins sliding down. What was its initial speed in this case? 18.98 m/s 12.47 m/s 8.82 m/s 14.90 m/sA block of mass m-0.5 kg starts to slide from rest at the top A of a curved track at a height h=4 m. There is no friction between the block and the track between points A and B. Then the block slides along the horizontal surface a distance d before coming to rest at C. The coefficient of kinetic friction on the horizontal surface between points B and C is u = 0.3 (g = 10 m/s2) 4.0 m C %3D 1- Calculate the total energy of the block at the point A 2- Determine the speed of the block at point B 3- Find the distance d between the points B and C.
- Small ice cubes, each of mass 7.15 g, slide down a frictionless track in a steady stream, as shown in the figure below. Starting from rest, each cube moves down through a net vertical distance of h = 1.50 m and leaves the bottom end of the track at an angle of 40.0° above the horizontal. At the highest point of its subsequent trajectory, the cube strikes a vertical wall and rebounds with half the speed it had upon impact. If 25 cubes strike the wall per second, what average force is exerted upon the wall? N ---direction--- 1.50 m 40.0⁰Fundamentals of Physics, 11th Edition, Custom WileyPLUS Course for West Help | System Announcements PRINTER VERSION 1 BACK NEXT Chapter 08, Problem 057 GO In the figure, a 3.9 kg block slides along a track from one level to a higher level after passing through an intermediate valley. The track is frictionless until the block reaches the higher level. There a frictional force stops the block in a distance d. The block's initial speed is vo = 6.0 m/s, the height difference is h = 0.97 m, and Hy = 0.65o. Find d. l = 0- Number Units the tolerance is +/-5% LINK TO TEXT LINK TO SAMPLE PROBLEM VIDEO MINI-LECTURE Question Attempts: 0 of 5 used SAVE FOR LATER SUBMIT ANSWER