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I need help finding the kinetic energies (reupload)

I need help finding the kinetic energies (reupload)-example-1
User Coolcake
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1 Answer

17 votes
17 votes

Answer:

18.51 J

Step-by-step explanation:

First, we need to find the Kinetic energy of the disk. Since the disk travels in a straight line, we can use the formula
K=(1)/(2)mv^2:


Kdisk=(1)/(2) 0.033*33.5^2\\Kdisk=18.51 J

Since no other force is present, no friction, sound, or vibration, energy must be conserved. Therefore, the answer for both is 18.51 J.

User CH Wing
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3.1k points