A body at the end of a spring oscillates up and down ten times in five seconds. The period of oscillation is __________
Fill in the blank(s) with correct word
0.5 s
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Acceleration: Under what condition is average velocity equal to the average of the object's initial and final velocity?
A. This can only occur if there is no acceleration. B. The acceleration is constant. C. This can occur only when the velocity is zero. D. The acceleration must be constantly increasing. E. The acceleration must be constantly decreasing.
An apple weighs 1 N. When the apple is held at rest above your head, the net force on the apple is
A) 0 N. B) 0.1 N. C) 1 N. D) 9.8 N. E) none of the above
Exhibit 12-1
The figure below shows a graph of angular velocity versus time for a woman bicycling around a circular track.
?
?
Use this exhibit to answer the following question(s).
Refer to . How many revolutions does she complete in the 16-minute period?
a.
8
b.
12
c.
16
d.
20
e.
40
Suppose a solid sphere of mass M and radius R rolls without slipping down an inclined plane starting from rest. The linear velocity of the sphere at the bottom of the incline depends on
A) the mass of the sphere. B) the radius of the sphere. C) both the mass and the radius of the sphere. D) neither the mass nor the radius of the sphere.