Ch.5 Problem 54 Wx54. Calculate the deceleration of a snow boarder goingup a 5.00° slope, assuming the coefficient of friction forwaxed wood on wet snow. The result of the precedingproblem may be useful, but be careful to consider the factthat the snow boarder is going uphill.55. A machine at a post office sends packages out a chuteand down a ramp to be loaded into delivery vehicles. (a)Calculate the acceleration of a box heading down a 10.0° n see inare stated to only one or two digits to indicate the approximate description of friction given hons.SystemStatic Friction µsKinetic Friction HkRubber on dry concrete1.00.7Rubber on wet concrete0.5-0.70.3-0.5Wood on wood0.50.3Waxed wood on wet snoW0.140.1Metal on wood0.50.3Steel on steel (dry)0.60.3Steel on steel (oiled)0.050.03Teflon on steel0.040.04Bone lubricated by synovial fluid0.0160.015Shoes on wood0.90.7Shoes on ice0.10.05Ice on ice0.10.03

Introduction: In nature many fictitious forces acts on the body. Frictional force is one of the…

54. Calculate the deceleration of a snow boarder going up a 5.00° slope, assuming the coefficient of friction for waxed wood on wet snow. The result of the preceding problem may be useful, but be careful to consider the fact that the snow boarder is going uphill.

54. Calculate the deceleration of a snow boarder going up a 5.00° slope, assuming the coefficient of friction for waxed wood on wet snow. The result of the preceding problem may be useful, but be careful to consider the fact that the snow boarder is going uphill.

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

A 1000-kg roller coaster has to drop along its track as shown. Neglect friction and air resistance. Use g=9.81 m/sec.
View Policies Current Attempt in Progress The force F has a magnitude of 640 N. Express F as a vector in terms of the unit vectors i and j. Identify the x and y scalar components of F. Assume F-640 N, 0-40% Answers: F-( i j) N i i .. i+ N Z Z N
Control System: Simplify the following block diagram.
A 700 qm block slides across a table top with an initial velocity 35 cm/s and comes to rest in a distance of 150 cm. Find the average friction * force that retarded its motion 0.028 N O -0.081 N O -0.569 N O 0.081 N O 0.569 N O -0.028 N O
If Force B on the x-z plane is equal to 300N and h = 4m and v = 10m, then what is the i and k components of Force B?
The uniform 15-m pole has a mass of 145 kg and is supported by its smooth ends against the vertical walls and by the tension T in the vertical cable. Compute the magnitudes of the reactions at A and B. A 5 m Answers: i T 10 m 10 m N N B
Problem 9.35 - Enhanced - with Expanded Hints An 8.5 kg crate is pulled 5.1 m up a 30° incline by a rope angled 16° above the incline. The tension in the rope is 140 N and the crate's coefficient of kinetic friction on the incline is 0.25. For help with math skills, you may want to review: The Vector Dot Product ▼ SOLVE: Part B WT = T·Ar=TAx cos(16) = (140 N) (5.1 m) cos(16) = 690 J WG = FG Ar = mg▲x cos(120°) = (8.5 kg) (9.8 m/s²)(5.1 m) cos(120°) Wn=n· Ar=nAx cos(90°) = 0 J What is the increase in thermal energy of the crate and incline? Express your answer in joules to two significant figures. ► View Available Hint(s) VE ΑΣΦ ΔΕth = |105 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining ? 10 of 14 J Re
ITUATION: The 5kg block passes over B at a velocity of 4.20 m/s. B 40° R=2.8m Calculate the normal force at B, Newtons. а. 17.55 C. 76.34 b. 27.30 d. 80.55 Determine the speed at A without losing contact with the path (Normal force = 0), meters per seconds. а. 4.59 C. 3.42 b. 6.30 d. 7.25
A stray dog catcher drives 34km east, picks up some dogs, then drives 10km west to drop them off before continuing east for 21km. 30N of force is being applied constantly parallel to the dog catcher's motion. Solve for the work the dog catcher has accomplished.
After being hit with a white ball, the black 8 ball moved 12.78 inches at an angle of 35° N of E from its resting position. Once it strikes the side of the billiard table, it bounced off an angle of 41° W of N and traveled 30.9 inches, and after striking the side of the table again, traveled another 5.030 inches at an angle of 45° S of W before coming to a full stop. How far is the black 8 ball from its original position? H Scale: 0.5 cm = 1.0 inch
Three forces act at point O as shown. Force F3lies in the x-y plane. Select the expression that denotes a unit vector in the direction of F1 . a. - 1/3 i - 2/3 j - 2/3 kb. - 1/3 i + 2/3 j + 2/3 kc. - 1/3 i + 2/3 j - 2/3 kd. - 1/3 i - 2/3 j + 2/3 k Determine the direction angles (α, B ,y ) for F₂ . a. (103ᵒ , 72.1ᵒ , 22.6ᵒ ) b. (103ᵒ ,108ᵒ , 22.6ᵒ )c. (76.7ᵒ , 72.1ᵒ ,157ᵒ ) d. (103ᵒ , 72.1ᵒ ,157ᵒ ) Determine the angle between F1 and F3 . a. 26.0ᵒ b. 132ᵒc. 90.0ᵒ d. 0