A mass of 2.0 kg hangs from a spring with a force constant of 50 N/m. An oscillating force F = (4.8 N) cos[(3.0 rad/s)t] is applied to the mass. What is the amplitude of the resulting oscillations? Neglect damping
A)
0.15 m
B)
0.30 m
C)
1.6 m
D)
2.4 m
E)
0.80 m
A
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Isaac Newton's contributions to physics include
a. the laws of motion. b. the law of universal gravitation. c. invention of the calculus. d. the invention of the reflecting telescope. e. all of the above.
A racecar driver steps on the gas, changing his speed from 10 m/s to 30 m/s in 4 seconds. The acceleration of the racecar is 10 m/s2
a. True b. False Indicate whether the statement is true or false