Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 5, Problem 21P
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To Explain: The external force that slows down the car. Give a detailed explanation of how this force operates.
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Chapter 5 Solutions
Physics for Scientists and Engineers
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- Consider Figure 5.28. The driver attempts to get the car out of the mud by exerting a perpendicular force of 610.0 N, and the distance she pushes in the middle of the rope is 1.00 m while she stands 6.00 m away from the car on the left and 6.00 m away from the tree on the right. What is the tension Tin the rope, and how do you find the answer?arrow_forwardBy what factor does the drag force on a car increase as it goes from 65 to 110 km/h?arrow_forwardTwo blocks connected by a string are pulled across a horizontal surface by a force applied to one of the blocks, as shown below. The coefficient of kinetic friction between the blocks and the surface is 0.25. If each block has an acceleration of 2.0m/s2to the right, what is the magnitude Fof the applied force?arrow_forward
- Propose a force standard different from the example of a stretched spring discussed in the text. Your standard must be capable of producing the sane force repeatedly.arrow_forwardSuppose the coefficient of static friction between a quarterand the back wall of a rocket car is 0.330. At what minimumrate would the car have to accelerate so that a quarter placedon the back wall would remain in place?arrow_forward(c) A claw hammer can be used both to drive nails into a piece of wood and to get themback out (see figure 1b). The person in the image needs to exert a force of 50 Non the hammer to pull the nail loose. The handle is 25 cm long, and the distancebetween the handle and the head of the nail is 2.0 cm. Find the force the hammeris exerting on the wood (not the nail!). You may assume that the point where thehammer touches the wood is along the line of the handle. Hint: Start your answerwith a free-body diagram. May I have a detailed step by step explanation of this c) problem? Its for a hand in homework and I don't know how to solve itarrow_forward
- *66. The person in the drawing isstanding on crutches. Assume thatthe forceexerted on each crutch by the groundis directed along the crutch, astheforcevectors in the drawing indicate. If the coeffi -cient of static frictionbetween a crutch andthe ground is 0.90, determine the largestangleuMAX that the crutch can have just beforeit begins to slip on thefl oor.arrow_forwardAt the instant a race began, a 67-kgkg sprinter exerted a force of 700 NN on the starting block at a 22∘∘ angle with respect to the ground What was the horizontal acceleration of the sprinter? If the force was exerted for 0.32 ss, with what speed did the sprinter leave the starting block?arrow_forwardIn the figure, two boxes, each of mass 24 kg, are at rest and connected as shown. Thecoefficient of kinetic friction between the inclined surface and the box is 0.31. Find thespeed of the boxes just after they have moved 1.6 m.arrow_forward
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