“float” on water, but a single-edge blade will sink. Assume that the surface tension forces act at an angle relative to the water sur- face as shown in Fig. P1.124. (a) The mass of the double-edge blade is 0.64 × 10-3 kg, and the total length of its sides is 206 mm. Determine the value of 0 required to maintain equilibrium be- tween the blade weight and the resultant surface tension force. (b) The mass of the single-edge blade is 2.61 × 10-³ kg, and the total length of its sides is 154 mm. Explain why this blade sinks. Support your answer with the necessary calculations.

“float” on water, but a single-edge blade will sink. Assume that the surface tension forces act at an angle relative to the water sur- face as shown in Fig. P1.124. (a) The mass of the double-edge blade is 0.64 × 10-3 kg, and the total length of its sides is 206 mm. Determine the value of 0 required to maintain equilibrium be- tween the blade weight and the resultant surface tension force. (b) The mass of the single-edge blade is 2.61 × 10-³ kg, and the total length of its sides is 154 mm. Explain why this blade sinks. Support your answer with the necessary calculations.

Name: 1.124 ▸ WILEY As shown in Video V1.9, surface tension forcescan be st
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Description: 1.124 ▸ WILEY As shown in Video V1.9, surface tension forcescan be strong enough to allow a double-edge steel razor blade to"float" on water, but a single-edge blade will sink. Assume that thesurface tension forces act at an angle 0 relative to the

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Topic Video

Question

1.124 ▸ WILEY As shown in Video V1.9, surface tension forces
can be strong enough to allow a double-edge steel razor blade to
"float" on water, but a single-edge blade will sink. Assume that the
surface tension forces act at an angle 0 relative to the water sur-
face as shown in Fig. P1.124. (a) The mass of the double-edge
blade is 0.64 × 10-³ kg, and the total length of its sides is 206
mm. Determine the value of 0 required to maintain equilibrium be-
tween the blade weight and the resultant surface tension force.
(b) The mass of the single-edge blade is 2.61 × 10-³ kg, and the
total length of its sides is 154 mm. Explain why this blade sinks.
Support your answer with the necessary calculations.
Blade
Surface tension
force
K

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