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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
18 Nov 2021

Given information

Explanation:

The mechanical energy must be saved because there is no friction. The maximum speed can be calculated using the equations of kinetic and gravitational potential energy.

Step-by-step explanation

Step 1.
When there is no friction, the sum of kinetic and potential energy is constant:
 
   
 
Where denotes mass,  denotes velocity, denotes height, denotes gravity.
 

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