The maximum force in addition to the weight
required to pull a wire frame 5.0 cm long from a
water surface at a temperature of 20 °C is
720 dyne. The surface tension of water is
(A) 72.0 dyne/cm
(B) 145 dyne/cm
(C) 720 dyne/cm
(D) 14.5 dyne/cm
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Answered by
1
Answer:
The maximum force, in addition to the weight required to pull a wire of 5.0 cm long from the surface of water at temperature 20°C, is 728 dynes.
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