Thanks!! A toy gun uses a spring to project a 6.2 g soft rubber sphere horizontally.The spring constant is 10.0 N/m, the barrel of the gun is 16.5 cm long, anda constant frictional force of 0.028 N exists between barrel and projectile.With what speed does the projectile leave the barrel if the spring wascompressed 7.0 cm for this launch? (Assume the projectile is in contact withthe barrel for the full 16.5 cm.)m/sNeed Help? Talk to a Tutor

Answered: A toy gun uses a spring to project a…

College Physics

11th Edition

ISBN:9781305952300

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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Thanks!!

A toy gun uses a spring to project a 6.2 g soft rubber sphere horizontally.
The spring constant is 10.0 N/m, the barrel of the gun is 16.5 cm long, and
a constant frictional force of 0.028 N exists between barrel and projectile.
With what speed does the projectile leave the barrel if the spring was
compressed 7.0 cm for this launch? (Assume the projectile is in contact with
the barrel for the full 16.5 cm.)
m/s
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According to the conservation of energy, the energy of the spring would be converted into the kinetic energy of the projectile and the frictional energy.

The initial energy of the spring would be converted in final energy that is the kinetic energy of the projectile and opposing energy of frictional energy.

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