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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Write an equation of an ellipse with the foci at (0,+/-2) and the lenght of the major axis equal to 8. Write an equation of an ellipse with the vertices at (+/-4,0) and +/-1 as y-intercepts.
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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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Find the equation of one variable for the surface area of a right circular cylinder inscribed in a cone of a height h and radius r with the base of the cylinder on the base of the cone.
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