1. A 0.66-kg object with an initial velocity of 3.30 m/s in the positive x-direction is acted on by a force in the direction ofmotion. The force does +7.90 J of work. What is the final velocity of the object? (Neglect friction)m/s2. Car 1 has 8 times the mass of car 2, but only 0.4 as much kinetic energy. What is the ratio between the speeds of thetwo cars (v₁/v2)? You must type your answer as a numerical value.SO4ELRV5TG6BMacBook AirH&7N8DilMKمر

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1. A 0.66-kg object with an initial velocity of 3.30 m/s in the positive x-direction is acted on by a force in the direction of motion. The force does +7.90 J of work. What is the final velocity of the object? (Neglect friction)

1. A 0.66-kg object with an initial velocity of 3.30 m/s in the positive x-direction is acted on by a force in the direction of motion. The force does +7.90 J of work. What is the final velocity of the object? (Neglect friction)

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Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

1. A 0.66-kg object with an initial velocity of 3.30 m/s in the positive x-direction is acted on by a force in the direction of
motion. The force does +7.90 J of work. What is the final velocity of the object? (Neglect friction)
m/s
2. Car 1 has 8 times the mass of car 2, but only 0.4 as much kinetic energy. What is the ratio between the speeds of the
two cars (v₁/v2)? You must type your answer as a numerical value.
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