A boy and a girl are riding a merry-go-round which is turning at a constant rate. The boy is near the outer edge, while the girl is closer to the center. Who has the greater tangential acceleration?
A) the boy
B) the girl
C) Both have the same non-zero tangential acceleration.
D) Both have zero tangential acceleration.
E) There is not enough information given to answer the question.
D
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If the principal quantum number for hydrogen is 4, which one of the following is not a permitted orbital magnetic quantum number for that atom?
a. -2 c. 3 b. 0 d. 5
The mutual attraction of gas molecules is an important aspect of:
A) Avogadro's Hypothesis B) Dalton's Law C) Graham's Law D) van der Waals Theory E) ideal gas law
A layer of kerosene (n = 1.45) is floating on water (n = 1.33). For what angles of incidence at the kerosene-water interface will light be totally internally reflected within the kerosene?
What will be an ideal response?
What is the maximum length of a metal cable that can hang vertically supported from one end of the cable?
The Young's modulus of this metal is 2.10 × 1011 N/m2, its tensile strength (the maximum tensile stress it can support without breaking) is 7.40 × 108 N/m2, and its density is 7.60 × 103 kg/m3. A) 9.94 km B) 4.22 km C) 456 km D) 1.75 km E) 24.8 km