Find equation for parabola that has vertex at origin
Find an equation for the parabola that has the vertex at the origin and satisfies the given condition.
1. Focus F(0,2)
2. Focus F(-5,0)
3. Directrix y=7
4. Directix has y-intercept 4
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Find an equation for the parabola that has the vertex at the origin and satisfies the given condition. Focus F(0,2). Focus F(-5,0).
A 50g ball travelling at 25 m/s is bounced off a brick wall and rebounds at 22 m/s. If the ball is in contact with the wall for 3.5 ms, what is the average acceleration of the ball during this time interval?
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