A uniform rod (mass = 2.0 kg, length = 0.60 m) is free to rotate about a frictionless pivot at one end. The rod is released from rest in the horizontal position. What is the magnitude of the angular acceleration of the rod at the instant it is 60° below the horizontal?
a. 15 rad/s2
b. 12 rad/s2
c. 18 rad/s2
d. 29 rad/s2
e. 23 rad/s2
B
Physics & Space Science
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An FM radio station broadcasts at 98.6 MHz. What is the wavelength of the radiowaves?
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At divergent boundaries the dominant rock type is
A) basalt. B) granite. C) andesite. D) basalt, granite, and andesite.
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