If used in a single instrument to greatly enhance its resolution, the four separate mirrors of the VLT will be acting as a(n) ________
Fill in the blank(s) with correct word
interferometer
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Conduction: A rod, with sides insulated to prevent heat loss, has one end immersed in boiling water at 100°C and the other end in a water-ice mixture at 0°C. The rod has uniform cross-sectional area 7.05 cm2 and length 87 cm. The heat conducted by the rod melts the ice at a rate of 1.0 g every 11 seconds. What is the thermal conductivity of the rod? Recall that the heat of fusion of water is 3.34 × 105 J/kg.
Fill in the blank(s) with the appropriate word(s).
A sewing machine needle moves up and down in simple harmonic motion with an amplitude of 1.27 cm and a frequency of 2.55 Hz. What are the (a) maximum speed and (b) maximum acceleration of the tip of the needle?
What will be an ideal response?
Define and distinguish among the terms speed, velocity, and acceleration
What will be an ideal response?
RLC Circuits: A series circuit has a 100-? resistor, a 0.100-?F capacitor, and a 2.00-mH inductor connected across a 120-V rms ac source operating at 1000/? Hz. What is the rms voltage across the inductor?
A. 120 mV B. 87.1 mV C. 302 mV D. 96.1 mV E. 200 mV