What beat frequency is produced by 240-Hz and a 246-Hz tuning forks?
A) 6 Hz
B) 12 Hz
C) 240 Hz
D) 245 Hz
E) none of the above
Answer: A
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Astronomers have determined the detailed composition of all confirmed exoplanets
Indicate whether the statement is true or false
A highway curve has a radius of 0.14 km and is unbanked. A car weighing 12 kN goes around the curve at a speed of 24 m/s without slipping. What is the magnitude of the horizontal force of the road on the car?
a. 12 kN b. 17 kN c. 13 kN d. 5.0 kN e. 49 kN
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Fill in the blank(s) with the appropriate word(s).