The correct answer is A. Please explain why. 9. What is the rms value of the...
Please answer and explain 15. (4 points) The microwave radiation left over from the Big Bang explosion of the universe has an average energy density of 4*10 J/m. What is the rms value of the electric field from this radiation? Equation (s) to use Final Solution:
Please explain every step of the answer in detail so I can understand. Thanks in advance. Cosmic microwave background radiation fills all space with an average energy density of 4 times 10^-14 J/m^3. (a) Find the rms value of the electric field associated with this radiation. (b) How far from a 7.5-kW radio transmitter emitting uniformly in all directions would you find a comparable value?
please explain why each answer is correct or incorrect 9. What device does this timing diagram represent: X х у N O O O A. D flip flop, edge triggered B. D latch, level triggered C. D-R latch S-R latch, active high E. S-R latch, active low O D O
I got it wrong. Please explain and give correct answer. A point charge of -4.28 pC is fixed on the y-axis, 2.79 mm from the origin. What is the electric field produced by this charge at point P, which is on the x-axis, 9.83 mm from the origin? 398 NIC (-i) 369 NC j 101 N/C (i) +355 N/C 4940 N/C J 0 355 N/C (_i) + 101 N/C j
Please explain why the correct answer is correct, and why the others can't be. 1. Why do astronauts on the International Space Station float, apparently weightless, rather than stand on the floor? (The space station is about 400km above the surface of the Earth) a. There is no gravity in space b. The gravitational field is virtually zero c. The astronauts have no mass in space d. The astronauts and space station are both in freefall e. The gravitational force...
Correct is given, please explain why for each Concept Question 4 – An object is initially at rest. A net force (which always points in the same direction) is applied to the object so that the power supplied by the net force is constant. As the object gains speed, a) the magnitude of the net force decreases. b) the magnitude of the net force increases. c) the magnitude of the net force remains constant. d) the magnitude of the net...
Please show step by step solution 9, E 5305.79 N/C 2.-i 10, E = 7046.76 N/C 3. Question 6, chap 123, sect 7 part 1 of 2 10 points Three point charges are placed at the ver- - tices of an equilateral triangle. 5.-2i+j) -9 , 을 (2i+j) Find the magnitude of the electric field vec-9. 5 tor |Ell at P 10. 26- 5 kq 2 kq 1 kq 2 k Question 8, chap 123, sect 10 A rod 5.6...
Please Explain each step in the solution Physics 2 2. (a) What is the magnitude of a point charge that would create an electric field of 1.0 N/C at points 1.0 m away? (1 mark) (b) An infinite line of charge produces a field of magnitude 4.5 x 104 N/C at distance 2.0 m. Find the linear charge density. (1 mark)
Please only do C. Explain why the answer is correct. If the answer is not correct explain the right way thank you. Consider the following propositions over the integers N. • p:n is a divisor of 12 • q: n is even What are the truth sets of a)p b) p 1 a c) p +9 For finite sets you can list the elements, but for infinite sets (if there are any) use set builder notation. Be sure to show...
Electromagnetic wave has an average energy density of 2.0 J/m3 . A) Find the electric field amplitude. Answer in V/m B) Find the magnetic field amplitude. Answer in mT C) By what factor must the field amplitudes be increased if the average energy density is to be doubled to 4.0 J/m3 ?