A race car moving with a constant speed of 60 m/s completes one lap around a circular track in 50 s. What is the magnitude of the acceleration of the race car?
a. 8.8 m/s2
b. 7.5 m/s2
c. 9.4 m/s2
d. 6.3 m/s2
e. 5.3 m/s2
B
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What capacitance is needed in series with a 30 
resistor at 1.0 kHz for a total impedance of 45 
?
A. 34 
F
B. 15
F
C. 4.7F
D. 0.037F
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A) 0.26 mm B) 1.9 mm C) 3.9 mm D) 4.3 mm E) 7.7 mm
A car is traveling along a highway at 65 mph. What is the linear speed of the bottom of the tires?
What will be an ideal response?