A phonograph record rotates at 45 rpm. Through what angle does it turn in 0.20 s?
A. 9.0e
B. 15e
C. 54e
D. 96e
Answer:C
A phonograph record rotates at 45 rpm. Through what angle does it turn in 0.20 s?
A. 9.0e B. 15e C. 54e D. 96e