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OpenStudy (anonymous):
What formula should i use to solve this question? A skater pushes on the back of a 45.3kg sled with an average fore of 72.5N over a distance of 15.6m. Find the final speed of the sled if it was movint at 1.31m/s initially.
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OpenStudy (anonymous):
@ujjwal ?
OpenStudy (ujjwal):
F=ma find a Now, V^2= U^2 + 2as you have U and s and you have calculated a. so go on.. find the value of V.. as simple as that!
OpenStudy (anonymous):
thank you
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