While a car travels around a circular track at constant speed, its
A) acceleration is zero.
B) velocity is zero.
C) both of these
D) none of the above
Answer: D
You might also like to view...
To be more effective, how should one shape the tip of a lightning rod?
A) sharpened to a point B) with a rounded tip (hemispherical) C) flat (cut off perpendicular to the rod axis)
The volume coefficient of thermal expansion for gasoline is 9.50 × 10-4 per degree C. By how much does the volume of 1 L of gasoline change when the temperature rises from 20.°C to 40.°C?
A) 37. cm3 B) 6.0 cm3 C) 19. cm3 D) 24. cm3 E) 12. cm3
Which planet has the largest satellite in the Solar System?
A. Saturn B. Mercury C. Mars D. Uranus E. Jupiter
A 30-?F capacitor is charged to an unknown potential V0 and then connected across an initially uncharged 10-?F capacitor. If the final potential difference across the 10-?F capacitor is 20 V, determine V0
a. 13 V b. 27 V c. 20 V d. 29 V e. 60 V