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March 30, 2015

March 30, 2015

Posted by **mitch** on Thursday, August 23, 2012 at 9:37pm.

(a) its maximum height,

(b) its velocity 2.0 s after it's thrown,

(c) its height 2.0 s after it's thrown, and

(d) its acceleration at its maximum height.

Please show work.

- physics -
**Elena**, Friday, August 24, 2012 at 6:18am(a) v=vₒ-gt

v=0

t=vₒ/g.

h= vₒt-gt²/2=vₒ²/2g =32.3²/2•9.8=53.23 m.

(b) v= vₒ - g•t1 =

= 32.3 - 9.8•2=12.7 m/s

(c) h= vₒ•t1-g•t²/2=

=32.3•2 – 9.8•4/2 =42 m

(d) g=9.8 m/s² (eveywhere)

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