13.38 beaker contains (p = 2.70 g/cm³) is submerged in the oil. Find the tension in the thread. density 0.80 g/cm. By means of a thread, a 16-cm cube of aluminum Ans. 0.076 N 13.39 A tank containing oil of sp gr = 0.80 rests on a scale and weighs 78.6 N. By means of a wire, a 6.0 cm cube of aluminum, sp gr = 2.70, is submerged in the oil. Find (a) the tension in the wire and (b) the scale reading if

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Chapter1: Units, Trigonometry. And Vectors
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A beaker contains oil of density 0.80 g/cm. By means of a thread, a 1.6-cm cube of aluminum
(p = 2.70 g/cm³) is submerged in the oil. Find the tension in the thread.
13.38
Ans. 0.076 N
A tank containing oil of sp gr = 0.80 rests on a scale and weighs 78.6 N. By means of a wire, a 6.0 cm cube
of aluminum, sp gr = 2.70, is submerged in the oil. Find (a) the tension in the wire and (b) the scale reading if
13.39
none of the oil overflows.
Ans. (a) 4.0 N; (b) 80 N
Transcribed Image Text:A beaker contains oil of density 0.80 g/cm. By means of a thread, a 1.6-cm cube of aluminum (p = 2.70 g/cm³) is submerged in the oil. Find the tension in the thread. 13.38 Ans. 0.076 N A tank containing oil of sp gr = 0.80 rests on a scale and weighs 78.6 N. By means of a wire, a 6.0 cm cube of aluminum, sp gr = 2.70, is submerged in the oil. Find (a) the tension in the wire and (b) the scale reading if 13.39 none of the oil overflows. Ans. (a) 4.0 N; (b) 80 N
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