## anonymous 5 years ago If a 65kg woman is driving off a 10 meter platform, what is her speed as she hits the water?

1. Owlfred

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2. anonymous

Use:$v^2=u^2+2as$

3. nowhereman

Why does this has to do anything with her weight? Also this is a question for the physics section I would say. (hint: earth speed up is $$9.81 m/s^2$$)

4. anonymous

$v^2=u^2+2as$ Where u=initial velocity=0m/s a=g=9.81m/s^2 s=10m

5. anonymous

information not clear

6. anonymous

$v^2=u^2+2as$u=0, a=g=9.81ms^-2, s=h (height). So:$v^2=0^2+2 \times g \times h=2 \times 9.81 \times10=196.2$(Don't worry about units there). So:$v=\sqrt{196.2}\approx14ms^{-1}$