Doing some physics homework and am kind of stumped here! Two objects, one of mass m and the other of mass 2m, are dropped from the top of a building. When they hit the groundthe heavier one will have four times the kinetic energy of the lighter one.both of them will have the same kinetic energy.the heavier one will have √2 times the kinetic energy of the lighter one.the heavier one will have twice the kinetic energy of the lighter one.

Name: Doing some physics homework and am kind of stumped here! Two objects,
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Description: Doing some physics homework and am kind of stumped here! Two objects, one of mass m and the other of mass 2m, are dropped from the top of a building. When they hit the groundthe heavier one will have four times the kinetic energy of the lighter one.b

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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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Doing some physics homework and am kind of stumped here!

Two objects, one of mass m and the other of mass 2m, are dropped from the top of a building. When they hit the ground
the heavier one will have four times the kinetic energy of the lighter one.
both of them will have the same kinetic energy.
the heavier one will have √2 times the kinetic energy of the lighter one.
the heavier one will have twice the kinetic energy of the lighter one.

Expert Solution

Step 1

Given that,

the masses of the objects are

$m_{1} = m m_{2} = 2 m$

Let the height of the building is $H$

Since at the initial position, the kinetic energy of both masses is zero, then total energy at maximum height will be

$E_{1} = m_{1} g h = m g h$

and

$E_{2} = m_{2} g h = 2 m g h$

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