University Physics with Modern Physics (14th Edition)
14th Edition
ISBN: 9780321973610
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
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Chapter 5, Problem 5.49E
A 1125-kg car and a 2250-kg pickup truck approach a curve on a highway that has a radius of 225 m. (a) At what angle should the highway engineer hank this curve so that vehicles traveling at 65.0 mi/h can safely round it regardless of the condition of their tires? Should the heavy truck go slower than the lighter car? (b) As the car and truck round the curve at 65.0 mi/h, find the normal force on each one due to the highway surface.
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Chapter 5 Solutions
University Physics with Modern Physics (14th Edition)
Ch. 5.1 - A traffic light of weight w hangs from two...Ch. 5.2 - Suppose you hold the glider in Example 5.12 so...Ch. 5.3 - Consider a box that is placed on different...Ch. 5.4 - Satellites are held in orbit by the force of our...Ch. 5 - A man sits in a seat that is hanging from a rope....Ch. 5 - In general, the normal force is not equal to the...Ch. 5 - A clothesline hangs between two poles. No matter...Ch. 5 - You drive a car up a steep hill at constant speed....Ch. 5 - For medical reasons, astronauts in outer space...Ch. 5 - To push a box up a ramp, which requires less...
Ch. 5 - A woman in an elevator lets go of her briefcase,...Ch. 5 - A block rests on an inclined plane with enough...Ch. 5 - A crate slides up an inclined ramp and then slides...Ch. 5 - A crate of books rests on a level floor. To move...Ch. 5 - In a world without friction, which of the...Ch. 5 - When you stand with bare feet in a wet bathtub,...Ch. 5 - You are pushing a large crate from the back of a...Ch. 5 - It is often said that friction always opposes...Ch. 5 - If there is a net force on a particle in uniform...Ch. 5 - A curve in a road has a bank angle calculated and...Ch. 5 - You swing a ball on the end of a lightweight...Ch. 5 - The centrifugal force is not included in the...Ch. 5 - A professor swings a rubber stopper in a...Ch. 5 - To keep the forces on the riders within allowable...Ch. 5 - A tennis ball drops from rest at the top of a tall...Ch. 5 - You throw a baseball straight upward with speed 0....Ch. 5 - You throw a baseball straight upward. 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After emergencies...Ch. 5 - In a laboratory experiment on friction, a 135-N...Ch. 5 - CP A stockroom worker pushes a box with mass 16.8...Ch. 5 - A box of bananas weighing 40.0 N rests on a...Ch. 5 - A 45.0-kg crate of tools rests on a horizontal...Ch. 5 - Some sliding rocks approach the base of a hill...Ch. 5 - A box with mass 10.0 kg moves on a ramp that is...Ch. 5 - A pickup truck is carrying a toolbox, but the rear...Ch. 5 - You are lowering two boxes, one on top of the...Ch. 5 - Consider the system shown in Fig. E5.34. Block A...Ch. 5 - CP Stopping Distance. (a) If the coefficient of...Ch. 5 - CP A 25.0-kg box of textbooks rests on a loading...Ch. 5 - Two crates connected by a rope lie on a horizontal...Ch. 5 - A box with mass m is dragged across a level floor...Ch. 5 - CP As shown in Fig. E5.34, block A (mass 2.25 kg)...Ch. 5 - You throw a baseball straight upward. The drag...Ch. 5 - A large crate with mass m rests on a horizontal...Ch. 5 - (a) In Example 5.18 (Section 5.3), what value of D...Ch. 5 - A stone with mass 0.80 kg is attached to one end...Ch. 5 - BIO Force on a Skaters Wrist. A 52-kg ice skater...Ch. 5 - A small remote-controlled car with mass 1.60 kg...Ch. 5 - 5.46A small car with mass 0.800 kg travels at...Ch. 5 - A small model car with mass m travels at constant...Ch. 5 - A flat (unbanked) curve on a highway has a radius...Ch. 5 - A 1125-kg car and a 2250-kg pickup truck approach...Ch. 5 - The Giant Swing at a county fair consists of a...Ch. 5 - In another version of the Giant Swing (see...Ch. 5 - A small button placed on a horizontal rotating...Ch. 5 - Rotating Space Stations. One problem for humans...Ch. 5 - The Cosmo Clock 21 Ferris wheel in Yokohama,...Ch. 5 - An airplane flies in a loop (a circular path in a...Ch. 5 - A 50.0-kg stunt pilot who has been diving her...Ch. 5 - Stay Dry! 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When you do a...Ch. 5 - CP CALC A 2.00-kg box is suspended from the end of...Ch. 5 - CALC A 3.00-kg box that is several hundred meters...Ch. 5 - CP A 5.00-kg box sits at rest at the bottom of a...Ch. 5 - Two boxes connected by a light horizontal rope are...Ch. 5 - A 6.00-kg box sits on a ramp that is inclined at...Ch. 5 - CP An 8.00-kg box sits on a ramp that is inclined...Ch. 5 - CP In Fig. P5.74, m1 = 20.0 kg and = 53.1. The...Ch. 5 - CP You place a book of mass 5.00 kg against a...Ch. 5 - Block A in Fig. P5.76 weighs 60.0 N. The...Ch. 5 - A block with mass m1 is placed on an inclined...Ch. 5 - BIO The Flying Leap of a Flea. High-speed motion...Ch. 5 - Block A in Fig. P5.79 weighs 1.20 N, and block B...Ch. 5 - CP Elevator Design. You are designing an elevator...Ch. 5 - CP CALC You are standing on a bathroom scale in an...Ch. 5 - A hammer is hanging by a light rope from the...Ch. 5 - A 40.0-kg packing case is initially at rest on the...Ch. 5 - If the coefficient of static friction between a...Ch. 5 - Two identical 15.0-kg balls, each 25.0 cm in...Ch. 5 - CP Traffic Court. You are called as an expert...Ch. 5 - Block A in Fig. P5.87 weighs 1.90 N, and block B...Ch. 5 - CP Losing Cargo. A 12.0-kg box rests on the level...Ch. 5 - Block A in Fig. P5.89 has mass 4.00 kg, and block...Ch. 5 - Two blocks connected by a cord passing over a...Ch. 5 - In terms of m1, m2, and g, find the acceleration...Ch. 5 - Block B, with mass 5.00 kg, rests on block A, with...Ch. 5 - Two objects, with masses 5.00 kg and 2.00 kg, hang...Ch. 5 - Friction in an Elevator. 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