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For questions about problems related to physics that involve evaluating integrals. Purely mathematical questions should be asked at math.SE.

1 vote
1 answer
557 views

Acceleration as a function of displacement

I am given a question such that a 0.280kg object has a displacement (in meters) of $x=5t^3-8t^2-30t$. I need to find the average net power input from the interval of $t=2.0s$ to $t=4.0s$. I know the f …
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0 votes
2 answers
1k views

Deceleration due to air resistance proportionate to velocity

I'm given a question to suppose that an ice skater on a frictionless surface is attempting to reduce his speed. His initial speed is $v_0$. His deceleration (negative acceleration) is purely due to ai …
a9302c's user avatar
  • 115