How to find the maximum/terminal velocity?

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SUMMARY

The discussion focuses on calculating the maximum speed of an object dropped from a height of 100 meters under the influence of gravity, specifically using the acceleration due to gravity (g = 9.8 m/s²). It clarifies that the maximum speed can be determined without considering air resistance, as the object accelerates uniformly until it reaches the ground. The key equation involved is the kinematic equation for uniformly accelerated motion, which can be used to find the final velocity just before impact.

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  • Understanding of kinematic equations in physics
  • Basic knowledge of gravitational acceleration (g = 9.8 m/s²)
  • Familiarity with concepts of free fall and acceleration
  • Ability to perform basic algebraic calculations
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  • Study the kinematic equation: v² = u² + 2as for free-fall scenarios
  • Learn about the effects of air resistance on terminal velocity
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Jessica Lewis
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In my grade 11 physics class we were asked to find the maximum speed of an object that is dropped from rest at a height of 100 m on Earth. We were given no information other than g = 9.8m/s2 and we have not done anything similar to this before, so how would you determine the maximum speed of an object? Are there any equations for this sort of thing?
Thank you to anyone who helps! :)
 
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Well, you're most likely not looking for the terminal velocity, since you'd have to know several other things to find that (and possibly solve a differential equation), so assuming no air resistance, where during the fall would the object have the most speed if it's constantly accelerating?
 

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