EBK PHYSICS FUNDAMENTALS
2nd Edition
ISBN: 9780100265493
Author: Coletta
Publisher: YUZU
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Chapter 5, Problem 9Q
(a)
To determine
The change in maximum possible force of static friction when the car starts up the hill.
(b)
To determine
Whether, it is easier to spin the wheels on the hill or on level road.
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On an alien planet, an object moving at 4.0 m/s on the horizontal ground comes to rest after traveling a distance of 10 m. If the coefficient of kinetic friction between the object and the surface is 0.20, what is the value of g on that planet?
A skier with a mass of 60 kg is sliding down a snowy slope, the slope with an angle of 30 degrees above the horizontal as shown in the figure. Find the coefficient of kinetic friction for the skier if friction is known to be 45.0 N. Assuming no air resistance and g=10m/s^2
a) μ=0.086
b) μ=0.75
c) μ=1.33
d)μ=11.55
The wheels of an automobile are locked as it slides to a stop from an initial speed of 30.0 m/s. If the coefficient of kinetic friction is 0.600 and the road is horizontal, approximately how long does it take the car to stop?
4.22 s
5.10 s
8.75 s
10.4 s
No answer
Chapter 5 Solutions
EBK PHYSICS FUNDAMENTALS
Ch. 5 - Prob. 1QCh. 5 - Prob. 2QCh. 5 - Prob. 3QCh. 5 - Prob. 4QCh. 5 - Prob. 5QCh. 5 - Prob. 6QCh. 5 - Prob. 7QCh. 5 - Prob. 8QCh. 5 - Prob. 9QCh. 5 - Prob. 10Q
Ch. 5 - Prob. 11QCh. 5 - Prob. 12QCh. 5 - Prob. 13QCh. 5 - Prob. 14QCh. 5 - Prob. 15QCh. 5 - Prob. 16QCh. 5 - Prob. 1PCh. 5 - Prob. 2PCh. 5 - Prob. 3PCh. 5 - Prob. 4PCh. 5 - Prob. 5PCh. 5 - Prob. 6PCh. 5 - Prob. 7PCh. 5 - Prob. 8PCh. 5 - Prob. 9PCh. 5 - Prob. 10PCh. 5 - Prob. 11PCh. 5 - Prob. 12PCh. 5 - Prob. 13PCh. 5 - Prob. 14PCh. 5 - Prob. 15PCh. 5 - Prob. 16PCh. 5 - Prob. 17PCh. 5 - Prob. 18PCh. 5 - Prob. 19PCh. 5 - Prob. 20PCh. 5 - Prob. 21PCh. 5 - Prob. 22PCh. 5 - Prob. 23PCh. 5 - Prob. 24PCh. 5 - Prob. 25PCh. 5 - Prob. 26PCh. 5 - Prob. 27PCh. 5 - Prob. 28PCh. 5 - Prob. 29PCh. 5 - Prob. 30PCh. 5 - Prob. 31PCh. 5 - Prob. 32PCh. 5 - Prob. 33PCh. 5 - Prob. 34PCh. 5 - Prob. 35PCh. 5 - Prob. 36PCh. 5 - Prob. 37PCh. 5 - Prob. 38PCh. 5 - Prob. 39PCh. 5 - Prob. 40PCh. 5 - Prob. 41PCh. 5 - Prob. 42PCh. 5 - Prob. 43PCh. 5 - Prob. 44PCh. 5 - Prob. 45PCh. 5 - Prob. 46PCh. 5 - Prob. 47PCh. 5 - Prob. 48PCh. 5 - Prob. 49PCh. 5 - Prob. 50PCh. 5 - Prob. 51PCh. 5 - Prob. 52PCh. 5 - Prob. 53PCh. 5 - Prob. 54PCh. 5 - Prob. 55P
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- The maximum possible value for the coefficient of static friction is a. 0.50 b. 1.00 c. a value up to but not quite 1.00 d. greater than 1.00arrow_forwardIn a television commercial, a small, spherical bead of mass 4.00 g is released from rest at t = 0 in a bottle of liquid shampoo. The terminal speed is observed to be 2.00 cm/s. Find (a) the value of the constant b in the equation v = mg/b (1 − e−bt/m), and (b) the value of the resistive force when the bead reaches terminal speed.arrow_forwardThe kinetic coefficient of friction between a body with mass ?1 = 8,00 ile and a surface on a slope ?1= 30.00 in a right triangular pattern given in the figure is 0.100. ?2 = 60.00 kinetic coefficient of friction between the mass of 2 = 7.00 moving on an inclined surface and the surface. The masses are tied together by a light rope passed through a frictionless reel as shown in the figure.For a mass of m2 = 7.00 ?? to have an acceleration of 0.380 ?⁄?2,a) What should be the tension in the rope because of the 7.00 ?? mass? b) What should be ?? between the mass of 7.00 ?? and the surface?arrow_forward
- Is the coefficient of static friction the same for two surfaces regardless of the normal force? Why?arrow_forwardWhy is the following situation impossible? Your 3.80-kg physics book is placed next to you on the horizontal seat of your car. The coefficient of static friction between the book and the seat is 0.650, and the coefficient of kinetic frictionis 0.550. You are traveling forward at 72.0 km/h and brake to a stop with constant acceleration over a distance of 30.0 m. Your physics book remains on the seat rather than sliding forward onto the floor.arrow_forwardA 250 N block is initially at rest on a flat surface that is inclined at 30°. if the coefficient of the static friction is 0.30, find the force required to start the block moving up the plane.arrow_forward
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