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A vertical force T is exerted on a 7.5 kg body near the surface of the earth. Find the y-component of the acceleration of the body if T= 41.025 N.
a) 4.34 m/s^2
b) -9.81 m/s^2
c) 15.28 m/s^2
d) 43.85 m/s^2
e) -4.34 m/s^2
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question1when two tuning forks are struck simultaneously 9 pulses of increased sound intensity per second are heard.
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