The object with a natural frequency of higher pitch is a
A) small bell.
B) large bell.
C) either of these
D) none of the above
Answer: A
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In order to jump off the floor, the floor must exert a force on you
A. in the direction of and equal to your weight. B. opposite to and equal to your weight. C. in the direction of and less than your weight. D. opposite to and less than your weight. E. opposite to and greater than your weight.
Viscosity: Motor oil, with a viscosity of 0.25 N ? s/m2, is flowing through a tube that has a radius of 5.0 mm and is 25 cm long. The drop in pressure is 300 kPa. What is the volume of oil flowing through the tube per second?
A. 0.00038 m3/s B. 0.025 m3/s C. 0.0012 m3/s D. 4.7 m3/s E. 7.5 m3/s
Newton's third law of motion states that the force pair acting on different objects consists of two forces that
a. are under the influence of gravity. b. are equal and in the same direction. c. always produce an acceleration. d. are equal and in opposite directions.
We are at ________ in January, when we are closest to the Sun in our elliptical orbit
Fill in the blank(s) with correct word