Which of these is the correct definition for an ellipse?
A) Each point on the ellipse lies on a smooth oval curve around one fixed point.
B) Each pair of points on the ellipse is the same distance from one fixed point.
C) The sum of the distances of a point on the ellipse from two fixed points is the same, for each point on the ellipse.
D) Each point on the ellipse is the same distance from one fixed point.
E) All points on the ellipse are an equal distance apart.
C
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Does the rock cycle always follow a certain path? In other words, is it a one-way process?
What will be an ideal response?
An auto, starting from rest, undergoes constant acceleration and covers a distance of 1250 meters. The final speed of the auto is 50 meters/sec. How long does it take the car to cover the 1250 meters?
A. 0.05 s B. 72,000 s C. 50 s D. 30 s
Suppose a graph of distance traveled by a body versus time is constructed. The slope of the graph at any point may be identified with
A. instantaneous velocity. B. average speed. C. instantaneous acceleration. D. average acceleration.
____________________ are great lava flows covering 17% of the lunar surface
Fill in the blank(s) with correct word