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Posts: 153

In response to "Physics help please" by Beaker

Partial answer

Posted by Reagen Mar 16 '23, 17:40

A -4.85 m/s
Vf^2 = Vo^2 +2ad

B +4.43 m/s

Responses:

ST is awesome. thanks guys -- nm - Beaker Mar 16, 17:49
for a) I went mgh = 1/2 mv^2. m is mass, g is gravity, h is height. plug height in for both 1.0 and 1.2, set equations equal, solve for v. - mafic Mar 16, 17:47
C) -- (edited) - Reagen Mar 16, 17:47
formula for b? (also thanks!) -- nm* - Beaker Mar 16, 17:41 4
- c) a = (v2 - v1)/t -- nm - mafic Mar 16, 17:47
- (she had the A answer, just wasn't sure how you came up with B) -- nm - Beaker Mar 16, 17:44 2
  - Same equation, just sub in 1m for d -- nm - Reagen Mar 16, 17:46 1
    - Just derived it myself and I agree with Reagen on all counts. -- nm - St. Louis BaronHawks Mar 16, 18:41

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