Calculate the flux of the field F across the closed plane curve C.F = yi - xj; the curve C is the circle (x - 4)2 + (y - 8)2 = 81
A. 144
B. 72
C. 0
D. -72
Answer: C
You might also like to view...
Evaluate. The differential is exact.
A. 1 B. 0 C. -2 D. 2
The following data show the mass M, in solar masses, and the relative luminosity L (the ratio of a star's luminosity to that of the sun) of various stars. Star Spica Vega Altair Sun 61 Cygni A M 7.3 3.1 1 1 0.17 L 1050 55 1.1 1 0.002? A: Use power regression to model the luminosity as a function of the mass. Use two digits of accuracy for the coefficient and for the power.B: What is the mass of a star with a relative luminosity of 6.43? Round your answer to two decimal places.C: If one star has a mass of 17 times that of another, how do their luminosities compare? Round your answer to two decimal places.
What will be an ideal response?
Given the terms of a finite sequence, classify it as arithmetic, geometric, or neither.10, 8, -12, -17, -20
A. Geometric B. Neither C. Arithmetic
Evaluate the expression.[[6.5]]
A. 5 B. 6 C. 7 D. -6