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  1. ...resultant velocity (size) = √(20²+10²) = √500 = 22.4 m/s ANS-1a release angle = arctan 20/10 = arctan 2 = 63.4° ANS-1b change values of Vy and do the same math 3 more times to finish entire prob.

    1 Answers · Science & Mathematics · 03/11/2013

  2. ...v̂ᵣₑ = 20 m/s west + 10 m/s north |v̂ᵣₑ| = √ [(20)² + 10²] = √500 = 10√5 m/s = 10(2.2361) = 22.36 m/s direction is given with θ...

    1 Answers · Science & Mathematics · 06/10/2015

  3. A 1000 kg automobile accelerates from 10 km/hr to 120 km/hr. How much work does this require? calculate the difference in KE work = ΔKE = ½m(V₂² – ...

    1 Answers · Science & Mathematics · 19/12/2011

  4. ...x velocity), but acting in opposite directions. EDIT: There are several ways to do this. One is to use Force x distance = work or energy. You started down this path here...

    3 Answers · Science & Mathematics · 03/11/2011

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