A hockey puck slides off the edge of a table with an initial velocity of 28.0 m/s. and experiences no air resistance. The height of the tabletop above the ground is 2.00 m
What is the angle below the horizontal of the velocity of the puck just before it hits the ground? A) 77.2°
B) 72.6°
C) 12.8°
D) 12.6°
E) 31.8°
D
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An object that is moving in a linear path with an acceleration in the direction opposite to the motion has a(n) ______________ velocity
a. constant b. increasing c. decreasing d. none of these
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What will be an ideal response?
The semi-major axis of an ellipse is:
A) the ratio of the distance between the two foci to the half of the length of the longest diameter of the ellipse. B) half the length of the shortest diameter of the ellipse. C) half the length of the longest diameter of the ellipse. D) the ratio of the longest diameter of the ellipse to the shortest diameter of the ellipse.
Tensile Stress and Strain: As one stretches a metal wire, which condition is reached first?
A. the elastic limit B. the breaking point C. the proportional limit