5) Let's use this expression to solve a problem. Star X and Star Y are intrinsically identical stars. If Star X is located 20 light-years from Earth and Star Y is located 40 light-years from Earth, what is the ratio of their apparent brightnesses, Star X? Show your work BstarY below.

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Q: R has a magnitude of 104. Which of the following COULD NOT be Ry? Choose all that apply. 104 -104…

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A: Given that: ρs=100 μC/m2PA (ρ=0,z=0.5) mPB (ρ=0,z=-0.5) mWe can consider the value of radius ρ=0.2 m

Q: 12. A golfer drives a ball from its tee. The speed of the ball is 30 ms-1. The mass of the ball is…

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Q: 2. What is the temperature of an 11.2-L sample of carbon monoxide, CO at 744 torr if it occupies…

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Q: Part C What is the force F, applied to the ball by the rod? Take upward forces to be positive (e.g.,…

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Q: hown in the figure below, two long parallel wires (1 and 2) carry currents of I, = 2.86 A and I, =…

A: calculate the net magnetic field at point and find direction as per shown.

Q: 124. The diagram below represents a 10.-newton block sliding at constant speed down a plane that…

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Q: s)A standing wave pattern on a string is described by y = 0.06 (sin7x) (соs60nt) where x and y are…

A: Note :“Since you have posted a question with multiple sub parts, we will provide the solution only…

Q: help ?

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Electric charge is uniformly distributed inside a nonconducting sphere of radius 0.30 m. The…

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Q: Question 6 Light: Always acts like a wave O Always acts like a particle O Acts like a particle…

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Q: A metal sphere of radius 30 cm has a net charge of 30.0 nC. What is the magnitude of the electric…

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Q: r from the starter cable of a car, carrying 140 A, must you be to experience a field less than the…

A: Current(I)=140A Magneticfield(B)=5.10×10-5 T