Giancoli answers 5th edition

In order to watch this solution you need to have a subscription. So in our first case our picture will look like this.

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Giancoli answers 5th edition

In order to watch this solution you need to have a subscription. This baseball mitt is going to stop the baseball which has an initial speed of thrity five meters per second, and it stops it over a distance of eleven centimeters. This is how much the baseball glove recoils. So the ball might have hit the baseball glove at this point and then recoils eleven centimeters back. We'll turn that into meters in order for it to work in our formulas. That's point one one meters. And the baseball has this mass of point one four kilograms. We know that the only force that's on this ball horizontally is the force of the mitt. So that means the force of the mitt is the net force, and then we can say that it's 'ma'. So the force exerted by the mitt is going to be mass times acceleration, and we'll need to find acceleration in order to use that formula. So find 'a': We'll use 'vf' squared equals 'v' initial squared plus two 'ad', and noticing that 'vf' is zero like we said here. And we'll solve this for 'a', so we'll subtract 'vi' squared from both sides giving us two 'ad' equals 'vi' squared and then divide both sides by two 'd'. Giving us 'a' equals 'vi' squared over two 'd'. By the way I should have a minus sign there too, and a minus sign there and here.

So let me write this twenty five point seven four four eight, twenty five point seven four four eight and so on.

In order to watch this solution you need to have a subscription. The initial kinetic and potential energies of this rollercoaster have to add up to the final kinetic energy and there is no final potential energy because it goes down to its reference level plus the work done by friction. And so we'll say this is one half 'mvi' squared plus 'mgh' equals one half 'mvf' squared plus the force of friction times the distance over which it operates. We're told that the friction force is one half the weight, sorry one fifth of the weight. And 'd' is the link to the law on the track which we're also given in the question. So we'll solve this for 'vf', we'll take this term to the left side, multiply everything by two over 'm' and then flip the sides so around so 'vf' is in the left and take the square root. So 'vf' equals to the square root of 'vi' squared plus 'gh' over two, or I should say two 'gh'.

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Giancoli answers 5th edition

See examples below:. Corresponding editions of this textbook are also available below:. Skip to main content. Homework help starts here! View More Textbook Editions. Section 1. Problem 1AE:.

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Negative meaning it's going in the negative direction and we'll assume that the initial velocity is positive to the right, and so the acceleration is to the left, making it negative. Posted April 29, And that works out to zero point two one six which is rounded to zero point two two and there are no units for the coefficients of friction. We know that the only force that's on this ball horizontally is the force of the mitt. So the force exerted by the mitt is going to be mass times acceleration, and we'll need to find acceleration in order to use that formula. So we have the car here again. I've also found some online problems at. In addition, she has tons of links to demos, labs, simulations, problem solving on special topics, etc. It did result in SAT 2 scores of for both kids. Thanks for the comment prologue. I didn't buy any teacher helps used the answers in the back of the book, which were reliable , but in the past when I've checked Amazon to help friends, we've located a student solution guide and a study guide for sale, too. Privacy policy Terms of service Help center.

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Reply to this topic I'm in NZ and the policies here are different. Thanks for the clarity and suggestions. Book covers, titles, and author names appear for reference purposes only and are the property of their respective owners. View All FAQ. Hi thesouthportschool, I'm not really sure what the comment is here. Happy Giancoli user here! We'll substitude in some numbers. Can it be titled AP Physics? Posted September 15, Kathy in Richmond Posted April 29, Student solutions manuals?