COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 4, Problem 84QAP
To determine
The time that the child will take to reach the bottom from the slope.
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2.)
A crate slides down a ramp 16.98m long inclined at 30.7°. How long will it take to reach the end of the ramp? What is the velocity of the crate upon reaching the end of the ramp? Assume coefficient of kinetic friction =0.079
30
Physics 1
Chapter 6: Force and Motion II
Example
A raindrop with radius R= 1.5 mm falls from a cloud that is at height h
the ground. The drag coefficient C for the drop is 0.60. Assume that the drop is spherical
throughout its fall. The density of water) Pw is 1000 kg/m³, and the density of air pa 1S
1.2 kg/m³) If you know that the raindrop reaches terminal speed after falling just a few
meters. What is the terminal speed?
= 1200 m above
Solution
Media
•2-33. If F, = 600 N and $ = 30°, determine the
magnitude of the resultant force acting on the eyebolt and
its direction measured clockwise from the positive x axis.
60°
F = 500 N
F = 450 N
>
Chapter 4 Solutions
COLLEGE PHYSICS
Ch. 4 - Prob. 1QAPCh. 4 - Prob. 2QAPCh. 4 - Prob. 3QAPCh. 4 - Prob. 4QAPCh. 4 - Prob. 5QAPCh. 4 - Prob. 6QAPCh. 4 - Prob. 7QAPCh. 4 - Prob. 8QAPCh. 4 - Prob. 9QAPCh. 4 - Prob. 10QAP
Ch. 4 - Prob. 11QAPCh. 4 - Prob. 12QAPCh. 4 - Prob. 13QAPCh. 4 - Prob. 14QAPCh. 4 - Prob. 15QAPCh. 4 - Prob. 16QAPCh. 4 - Prob. 17QAPCh. 4 - Prob. 18QAPCh. 4 - Prob. 19QAPCh. 4 - Prob. 20QAPCh. 4 - Prob. 21QAPCh. 4 - Prob. 22QAPCh. 4 - Prob. 23QAPCh. 4 - Prob. 24QAPCh. 4 - Prob. 25QAPCh. 4 - Prob. 26QAPCh. 4 - Prob. 27QAPCh. 4 - Prob. 28QAPCh. 4 - Prob. 29QAPCh. 4 - Prob. 30QAPCh. 4 - Prob. 31QAPCh. 4 - Prob. 32QAPCh. 4 - Prob. 33QAPCh. 4 - Prob. 34QAPCh. 4 - Prob. 35QAPCh. 4 - Prob. 36QAPCh. 4 - Prob. 37QAPCh. 4 - Prob. 38QAPCh. 4 - Prob. 39QAPCh. 4 - Prob. 40QAPCh. 4 - Prob. 41QAPCh. 4 - Prob. 42QAPCh. 4 - Prob. 43QAPCh. 4 - Prob. 44QAPCh. 4 - Prob. 45QAPCh. 4 - Prob. 46QAPCh. 4 - Prob. 47QAPCh. 4 - Prob. 48QAPCh. 4 - Prob. 49QAPCh. 4 - Prob. 50QAPCh. 4 - Prob. 51QAPCh. 4 - Prob. 52QAPCh. 4 - Prob. 53QAPCh. 4 - Prob. 54QAPCh. 4 - Prob. 55QAPCh. 4 - Prob. 56QAPCh. 4 - Prob. 57QAPCh. 4 - Prob. 58QAPCh. 4 - Prob. 59QAPCh. 4 - Prob. 60QAPCh. 4 - Prob. 61QAPCh. 4 - Prob. 62QAPCh. 4 - Prob. 63QAPCh. 4 - Prob. 64QAPCh. 4 - Prob. 65QAPCh. 4 - Prob. 66QAPCh. 4 - Prob. 67QAPCh. 4 - Prob. 68QAPCh. 4 - Prob. 69QAPCh. 4 - Prob. 70QAPCh. 4 - Prob. 71QAPCh. 4 - Prob. 72QAPCh. 4 - Prob. 73QAPCh. 4 - Prob. 74QAPCh. 4 - Prob. 75QAPCh. 4 - Prob. 76QAPCh. 4 - Prob. 77QAPCh. 4 - Prob. 78QAPCh. 4 - Prob. 79QAPCh. 4 - Prob. 80QAPCh. 4 - Prob. 81QAPCh. 4 - Prob. 82QAPCh. 4 - Prob. 83QAPCh. 4 - Prob. 84QAPCh. 4 - Prob. 85QAPCh. 4 - Prob. 86QAPCh. 4 - Prob. 87QAPCh. 4 - Prob. 88QAPCh. 4 - Prob. 89QAPCh. 4 - Prob. 90QAPCh. 4 - Prob. 91QAPCh. 4 - Prob. 92QAPCh. 4 - Prob. 93QAPCh. 4 - Prob. 94QAPCh. 4 - Prob. 95QAPCh. 4 - Prob. 96QAPCh. 4 - Prob. 97QAPCh. 4 - Prob. 98QAPCh. 4 - Prob. 99QAPCh. 4 - Prob. 100QAPCh. 4 - Prob. 101QAPCh. 4 - Prob. 102QAPCh. 4 - Prob. 103QAP
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- A box rests on the (horizontal) back of a truck. The coefficient of static friction between the box and the surface on which it rests is 0.24. What maximum distance can the truck travel (starting from rest and moving horizontally with constant acceleration) in 3.0 s without having the box slide?arrow_forwardQuestion 15 > Hint 1 Hint 2 Hint 3 A plumb bob hangs from the roof of a railroad car. The car rounds a circular track of radius 265 m at a speed of 84 km/h. At what angle relative to the vertical does the plumb bob hang? degrees Submit Questionarrow_forward2-94. If Fg = 700 N, and Fc = 560 N, determine the magnitude and coordinate direction angles of the resultant force acting on the flag pole. 6 m FB Fc 2 m B. 3 m 3 m 2 marrow_forward
- PROBLEM 2 • An elevator and its load have a total mass of 800kg.Find the tension in the supporting cable when the elevator or lift originally moving downwards at 10m/s is brought to rest with a constant acceleration in a distance 25m Answer T-9600N.Since T> W the system is retarding.arrow_forward2) You place a crate of mass 21.6 kg on a frictionless 3.20-meter-long incline. You release the crate from rest, and it begins to slide down, eventually reaching the bottom 1.13 s after you released it. What is the angle of the incline? Question 2 options: 51.6 degrees 36.9 degrees 30.7 degrees 43.0 degreesarrow_forwardItem 4 4 of 6 A pilot performs an evasive maneuver by diving vertically at 230 m/s Part A If he can withstand an acceleration of 8.0 g's without blacking out, at what altitude must he begin to pull out of the dive to avoid crashing into the sea? Express your answer to two significant figures and include the appropriate units. 31 ? Value Units Submit Request Answer Provide Feedback Next >arrow_forward
- 3-10* A block with a mass of 10 kg is held in equi on a smooth horizontal surface by two flexible cables as shown in Fig. P3-10. Determine the force exerted on the block by the horizontal surface and the angle between the inclined cable and the horizontal. T₁ = 300 N 0 T₂ = 500 Narrow_forward8) A bicycle rider pushes downward on a pedal as shown. If the pedal arm is 15 cm long and the angle with the horizontal is 30 degrees, then how much torgue is the rider applying? a) 5.7 Nm b) 12.9 Nm c) 19.5 Nm d) 8.8 Nm e) 195.3 Nmarrow_forward1) Listen When a 54.0-kg crate is pushed across a frictionless horizontal floor with a force of 240.0 N, directed 20.0° below the horizontal, the magnitude of the aceleration of the crate is m/s². 20.0arrow_forward
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