The capacitance per unit length of a very long coaxial cable, made of two concentric cylinders, is 50 pF/m
What is the radius of the outer cylinder if the radius of the inner one is 1.0 mm? (k = 1/4??0 = 8.99 × 109 N ? m2/C2)
A) 0.50 mm B) 4.0 mm C) 2.0 mm D) 3.0 mm E) 1.0 mm
D
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In crystalline materials, at temperatures below one-half the melting temperature, plastic strain is due to dislocation _________.
Fill in the blank(s) with the appropriate word(s).
RMS and Peak Quantities: A 120-V rms voltage at 60.0 Hz is applied across an inductor, capacitor and a 100-? resistor in series. If the maximum value of the current in this circuit is 1.60 A, what is the rms value of the current in this circuit?
A. 1.13 A B. 2.26 A C. 1.82 A D. 1.60 A E. 2.66 A
A 150g tennis ball accelerates at 14m/s2. Calculate the force applied by the tennis racket. Include units in your answer.
This is a science physics question on forces. I dont understand please help. Thank you
By what factor will an intensity change when the corresponding sound level increases by 3 dB?
a. 3 b. 0.5 c. 2 d. 4 e. 0.3