In addition to its weight, what force is needed to lift a wire ring of radius 2.0 cm from the surface of blood plasma? The surface tension of blood plasma is 7.3 × 10^¯2 N/m
a. 1.8E+1 N
b. 3.7E–2 N
c. 9.2E–3 N
d. 1.8E–2 N
d
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The phase angle of a series RL circuit with a 100.0-? resistor and a 20.00-mH inductor is 70.00°. What is the inductive reactance of this circuit?
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As measured from the Earth, a spacecraft is moving at speed 0.80c when it releases a probe at speed 0.60c relative to the spacecraft in a forward direction. What would be the speed of the probe as measured from the Earth?
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When the box hits the floor its kinetic energy is converted into internal energy
Indicate whether the statement is true or false