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Name: A 35.0-kg dolphin accelerates opposite to the motion from 12.0 to 7.50
Uploaded: 2024-03-20T06:56:46.000Z
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Description: A 35.0-kg dolphin accelerates opposite to the motion from 12.0 to 7.50 m/s in 2.30 s to join another dolphin in play. What average force was exerted to slow the first dolphin if it was moving horizontally? (The gravitational force is balanced by the

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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A 35.0-kg dolphin accelerates opposite to the motion from 12.0 to 7.50 m/s in 2.30 s to join another dolphin in play. What average force was exerted to slow the first dolphin if it was moving horizontally? (The gravitational force is balanced by the buoyant force of the water.)

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Step 1

We know that the first equation of the motion is given as

$v = u + at$

where v is the final velocity, u is the initial velocity

a is the acceleration t is time to achieve a velocity v

We also know that the newton second law of motion is given as

$F = ma$

where F is the force

m is the mass.

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