You whirl a 2 kg body attached to a 1 meter cord around your head in a nearly horizontal circle with a speed of 4 m/s. The tension in the cord is _________
Fill in the blank(s) with correct word
32 N
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The reason a nuclear reactor will not explode like a bomb is because ________
a. the uranium-235 enrichment is too low. b. there is not enough uranium-238 present. c. the cooling water will always take away the heat d. there are control rods present e. …nonsense! It can explode like a bomb in the event of a loss of coolant accident
After filling the 5s level, the next higher level to be filled is
A) 4s. B) 4d. C) 5p. D) 5d. E) 6s.
A thin, circular disk of radius R = 30 cm is oriented in the yz-plane with its center as the origin. The disk carries a total charge Q = +3 ?C distributed uniformly over its surface
Calculate the magnitude of the electric field due to the disk at the point x = 15 cm along the x-axis. A) 9.95 × 105 N/C B) 4.98 × 105 N/C C) 3.32 × 105 N/C D) 2.49 × 105 N/C E) 1.99 × 105 N/C
How will the experimental value be affected if some water (liquid) comes through the hose into the calorimeter cup along with the steam?