Explanation To calculate the required quantities, we need to find the resultant x and y components of the momenta first. Given The three masses are 40 g, 20 g and 30 g respectively. The 40 g ballmoves 45 0 south of east, the 30 g ball moves to the east and the 20 g ball moves to the north. Formula used The resultant momenta along the x and y directions have to be calculated first. Calculation The momentum of the 20 g ball is zero along the x-axis. So, the net momentum along the x-axis for the other two masses is, p x = 40 g × 4 .0 m/s × cos 45 0 − 30 g × 3.0 m/s p x = 23 g × m/s (Leftward motion taken as negative) The 30 g mass will not have any momentum along the y-axis. The net momentum along the y-axis for the other two masses is, p y = 20 g × 2.0 m/s- 40 g × 4

Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)

4th Edition

ISBN: 9780134110684

Author: Randall D. Knight (Professor Emeritus)

Publisher: PEARSON

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Chapter 11, Problem 71EAP

To determine

The speed and direction of the resulting blob of clay.

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Chapter 11 Solutions

Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)

Ch. 11 - Prob. 1CQ Ch. 11 - Prob. 2CQ Ch. 11 - \A 2 kg object is moving to the right with a speed...Ch. 11 - Prob. 4CQ Ch. 11 - Prob. 5CQ Ch. 11 - Angie, Brad, and Carlos are discussing a physics...Ch. 11 - Prob. 7CQ Ch. 11 - Automobiles are designed with “crumple zones”...Ch. 11 - A golf club continues forward after hitting the...Ch. 11 - Suppose a rubber ball collides head-on with a more...

Ch. 11 - Two particles collide, one of which was initially...Ch. 11 - Two ice skaters, Paula and Ricardo, push off from...Ch. 11 - Prob. 13CQ Ch. 11 - At what speed do a bicycle and its rider, with a...Ch. 11 - What is the magnitude of the momentum of A 3000 kg...Ch. 11 - What impulse does the force shown in FIGURE EX11.3...Ch. 11 - What is the impulse on a 3.0 kg particle that...Ch. 11 - Prob. 5EAP Ch. 11 - Prob. 6EAP Ch. 11 - Prob. 7EAP Ch. 11 - Prob. 8EAP Ch. 11 - Prob. 9EAP Ch. 11 - A sled slides along a horizontal surface on which...Ch. 11 - Prob. 11EAP Ch. 11 - A g air-track glider collides with a spring at one...Ch. 11 - A 250 g ball collides with a wall. FIGURE EX11.13...Ch. 11 - A 5000 kg open train car is rolling on...Ch. 11 - Prob. 15EAP Ch. 11 - Prob. 16EAP Ch. 11 - Three identical train cars, coupled together, are...Ch. 11 - A 300 g bird flying along at 6.0 m/s sees a 10 g...Ch. 11 - Prob. 19EAP Ch. 11 - A 1500 kg car is rolling at 2.0 m/s. You would...Ch. 11 - Prob. 21EAP Ch. 11 - A 50 g marble moving at 2.0 m/s strikes a 20 g...Ch. 11 - A proton is traveling to the right at 2.0 × 107...Ch. 11 - Prob. 24EAP Ch. 11 - Prob. 25EAP Ch. 11 - Prob. 26EAP Ch. 11 - Prob. 27EAP Ch. 11 - Prob. 28EAP Ch. 11 - Prob. 29EAP Ch. 11 - Prob. 30EAP Ch. 11 - Two particles collide and bounce apart. FIGURE...Ch. 11 - An object at rest explodes into three fragments....Ch. 11 - A 20 g ball of clay traveling east at 3.0 m/s...Ch. 11 - 34. At the center of a 50-m-diameter circular ice...Ch. 11 - A small rocket with 15 kN thrust burns 250 kg of...Ch. 11 - A rocket in deep space has an empty mass of 150 kg...Ch. 11 - A rocket in deep space has an exhaust-gas speed of...Ch. 11 - A tennis player swings her 1000 g racket with a...Ch. 11 - A 60 g tennis ball with an initial speed of 32 m/s...Ch. 11 - A 500 g cart is released from rest 1.00 m from the...Ch. 11 - A 200 g ball is dropped from a height of 2.0 m,...Ch. 11 - The flowers of the bunchberry plant open with...Ch. 11 - A particle of mass in is at rest at t = 0. Its...Ch. 11 - Air-track gliders with masses 300 g, 400 g, and...Ch. 11 - Most geologists believe that the dinosaurs became...Ch. 11 - Squids rely on jet propulsion to move around. A...Ch. 11 - A firecracker in a coconut blows the coconut into...Ch. 11 - One billiard ball is shot east at 2.0 m/s. A...Ch. 11 - a. A bullet of mass m is fired into a block of...Ch. 11 - Prob. 50EAP Ch. 11 - An object at rest on a flat, horizontal surface...Ch. 11 - A 1500 kg weather rocket accelerates upward at 10...Ch. 11 - Prob. 53EAP Ch. 11 - Two 5 g blocks of wood are 2.0 m apart on a...Ch. 11 - A 100 g granite cube slides down a 40°...Ch. 11 - You have been asked to design a “ballistic spring...Ch. 11 - In FIGUREP11.57, a block of mass m slides along a...Ch. 11 - The stoplight had just changed and a 2000 kg...Ch. 11 - Prob. 59EAP Ch. 11 - Force Fx= (10 N) sin (2pt/4.0 s) is exerted on a...Ch. 11 - A 500 g particle has velocity vx=5.0 m/s at t = 2...Ch. 11 - 30 ton rail car and a 90 ton rail car, initially...Ch. 11 - Prob. 63EAP Ch. 11 - Prob. 64EAP Ch. 11 - Prob. 65EAP Ch. 11 - Old naval ships fired 10 kg cannon balls from a...Ch. 11 - A proton (mass 1 u) is shot toward an unknown...Ch. 11 - The nucleus of the polonium isotope 214Po (mass...Ch. 11 - Prob. 69EAP Ch. 11 - A 20 g ball of clay traveling east at 2.0 m/s...Ch. 11 - Prob. 71EAP Ch. 11 - Prob. 72EAP Ch. 11 - Prob. 73EAP Ch. 11 - a. To understand why rockets often have multiple...Ch. 11 - Prob. 75EAP Ch. 11 - Prob. 76EAP Ch. 11 - Prob. 77EAP Ch. 11 - In Problems 75 through 78 you are given the...Ch. 11 - A 1000 kg cart is rolling to the right at 5.0 m/s....Ch. 11 - Prob. 80EAP Ch. 11 - Prob. 81EAP Ch. 11 - A two-stage rocket is traveling at 1200 m/s with...Ch. 11 - 83. The air-track carts in FIGURE P11.83 are...Ch. 11 - Section 11.6 found an equation for vmaxof a rocket...

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