As shown In the figure below, a box of mass m = 37.0 kg is sliding along a horizontal frictionless surface at a speed v, = 5.95 m/s when it encounters a ramp inclined at an angle of0 = 28.8°.roughsurfaceVfrictionlesssurfaceThe coefficient of kinetic friction between the ramp and the box is u = 0.0704 and the box slides a distance d up the ramp before coming momentarily to rest.(a) Determine the distance (in m) the box slides up the ramp before coming momentarily to rest.(b) Determine which of the following statements is most correct about the box traveling up the ramp and coming momentarily to rest.O WNet = AKEO W, = -APE,O WNet= W cons + WnonconsO AE = W,nonconsΟ ΔΕ- ΔΚΕ + ΔΡΕ

Answered: Image /qna-images/answer/5984296f-392c-41c8-b7a5-5974395c2eaf.jpg

Answered: As shown In the figure below, a box of…

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 8STP

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A box is sliding with a constant speed of 4.00 m>s inthe +x-direction on a horizontal, frictionless surface. At x = 0 thebox encounters a rough patch of the surface, and then the surface becomeseven rougher. Between x = 0 and x = 2.00 m, the coefficientof kinetic friction between the box and the surface is 0.200; betweenx = 2.00 m and x = 4.00 m, it is 0.400. What is the x-coordinate of the point where the box comes to rest?
At Ted's request, Bill pushes the pizza box across the granite countertop towards Ted. When the box leaves Bill's hand it is sliding at 2.60 m/s. The box comes to rest over a distance of 110 cm. What is the coefficient of kinetic friction, uk, between the pizza box and the countertop? (Ignore air drag.)
A block of mass ? = 200.0 kg is released from rest at ℎ = 0.500 ? above the surfaceof a table, at the top of a ? = 30.0° incline as shown below. The incline is fixed on a table of height? = 2.00 ?. If the coefficient of kinetic friction between the incline and the block is ?? = 0.100,how far from the table will the block hit the floor?
A block is given an initial velocity of 5.00 m/s up a frictionless incline of angle 20.0degrees. How far up the incline does the block slide before coming to rest?
A parachutist whose mass is 65 kg drops from a helicopter hovering 1500 m above the ground and falls toward the ground under the influence of gravity. Assume that the force due to air resistance is proportional to the velocity of the parachutist, with the proportionality constant b, = 20 N-sec/m when the chute is closed and b, = 100 N-sec/m when the chute is open. If the chute does not open until the velocity of the parachutist reaches 25 m/sec, after how many seconds will the parachutist reach the ground? Assume that the acceleration due to gravity is 9.81 m/sec.
A parachutist whose mass is 80 kg drops from a helicopter hovering 1000 m above the ground and falls toward the ground under the influence of gravity. Assume that the force due to air resistance is proportional to the velocity of the parachutist, with the proportionality constant b, = 30 N-sec/m when the chute is closed and b, = 90 N-sec/m when the chute is open. If the chute does not open until the velocity of the parachutist reaches 20 m/sec, after how many seconds will the parachutist reach the ground? Assume that the acceleration due to gravity is 9.81 m/ sec.
A box has a mass of 31 kg. A force of 163 N is applied to it at an angle of 45º. An object moves along a surface 15 m with a coefficient of kinetic friction of 0.09 and where its initial velocity is equal to 16 meters/sec. along this path: Determine the magnitude of the friction force.
A motorcyclist is coasting with the engine off at a steady speed of 20.0 m/s but enters a sandy stretch where the coefficient of kinetic friction is 0.70. Will the cyclist emerge from the sandy stretch without having to start the engine ifthe sand lasts for 15 m? If so, what will be the speed upon emerging?
A parachutist whose mass is 65 kg drops from a helicopter hovering 2500 m above the ground and falls toward the ground under the influence of gravity. Assume that the force due to air resistance is proportional to the velocity of the parachutist, with the proportionality constant b, = 30 N-sec/m when the chute is closed and b, = 100 N-sec/m when the chute is open. If the chute does not open until the velocity of the parachutist reaches 15 m/sec, after how many seconds will the parachutist reach the ground? Assume that the acceleration due to gravity is 9.81 m/ sec2. .. The parachutist will reach the ground after seconds. (Round to two decimal places as needed.)
A parachutist whose mass is 75 kg drops from a helicopter hovering 1000 m above the ground and falls toward the ground under the influence of gravity. Assume that the force due to air resistance is proportional to the velocity of the parachutist, with the proportionality constant b, 30 N-secim when the chute is closed and by 100 N-secim when the chule is open if the chute does not open until the velocity of the parachutist reaches 20 m/sec, after how many seconds will the parachutist reach the ground? Assume that the acceleration due to gravity is 9.81 m/sec The parachutist will reach the ground after (Round to two decimal places as needed.) seconds. CHE
Some sliding rocks approach the base of a hill with a speed of12 m>s. The hill rises at 36° above the horizontal and has coefficientsof kinetic friction and static friction of 0.45 and 0.65, respectively, withthese rocks. Find the acceleration of the rocks as they slide up the hill.
A parachutist whose mass is 65 kg drops from a helicopter hovering 2500 m above the ground and falls toward the ground under the influence of gravity. Assume that the force due to air resistance is proportional to the velocity of the parachutist, with the proportionality constant b, = 30 N-sec/m when the chute is closed and b, = 100 N-sec/m when the chute is open. If the chute does not open until the velocity of the parachutist reaches 15 m/sec, after how many seconds will the parachutist reach the ground? Assume that the acceleration due to gravity is 9.81 m/ sec The parachutist will reach the ground after seconds. (Round to two decimal places as needed.)

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