If the tension, 
, is 15 N and the magnitude of the acceleration, a, is 3.0 m/s2, what is the mass, m, of the suspended object? Assume that all surfaces and the pulley are frictionless.
?
?
A. 3.1 kg
B. 2.5 kg
C. 2.8 kg
D. 2.2 kg
E. 3.7 kg
Answer: D
Physics & Space Science
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