A particle moves at a constant speed in a circular path with a radius of 2.06 cm. If the particle makes four revolutions each second, what is the magnitude of its acceleration?
A. 20 m/s2
B. 18 m/s2
C. 13 m/s2
D. 15 m/s2
E. 24 m/s2
Answer: C
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A. 0.44 B. 880 C. 440 D. 0.22 E. 0.88 F. 220
What kind of asteroid crosses into Mars' orbit?
a. Apollo object b. Amor object c. Centaur asteroids d. Kirkwood objects e. Trojan asteroids
Few smartphones have built-in digital cameras that can take quality photos.
Answer the following statement true (T) or false (F)
A nearsighted man wears contact lenses of -3.00 diopters. With these lenses, his corrected near point is 25.0 cm. What is his uncorrected near point?
What will be an ideal response?