Derive the effective temperature starting from Planck's law. 2hc? Br 25 (ehc/(AKBT) –- 1)

Q: 25.4 m 4 km hr hr

A: Given data: 25.4 mi/hr - 4 km/hr Here mi/hr - miles per hour km/hr - kilometer per hour

Q: 146.88 What is The answer in 2 significant figures?

A: The value 146.88 can be written as,

Q: Q: If A- fi+2f) and E - fi+2f]+ 3f k,fis constant, find the angle between these two vectors?

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Q: 8. Find R = Ã+B, given that A has a magnitude of 4 at an angle of 30° above positive x-axis and B…

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Q: consideration the appropriate number of Carry out the following calculation taking into figures:3.91…

A: Significant figures are the number of digits which contributes to the degree of accuracy. During…

Q: A man weighs 176 lb. Determine the weight in newtons. (1 kg = 2.2 lb)

A: Given Mass of man m = 176 lb To find  Weight of man in Newtons

Q: If the dot product of two vector A and B is negative, what statements reguarding A and B are true…

A: In this question we are given that the dot product of two vectors A and B is negative and we have to…

Q: Which of the following plots produce a line with slope equal to 6.626 x 10 34 J s? Select all that…

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Q: 8. An object is dropped and hits the ground 6.00 seconds later. From what height was it dropped?…

A: Time taken by an object to hit the ground=6 s Required height of object from which it was dropped.

Q: Vecrors of length 10 and 15 have a Cross product of 150 if i add those vectors, what is the length…

A: The dot product of the two vectors is,

Q: 3. A rod of mass M and length L can slide without friction on two parallel rails as shown in the…

A: Required : The current in the system.

Q: 1. Vector D has components D, = -4.9 m and D, = + 7.2 m. a. Write it in unit vector notation. b.…

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Q: 7. A space station, in the form of a wheel 120 m in diameter, rotates to provide an “artificial…

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Q: Part C Enter the expression -20 + 6D in the answer box using the notation just described. Express…

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Q: 3 300M 300N 50 50° Find: B+ C F=?,

A: Please see the answer in next step

Q: Incorrect Question 8 0/ 1 pts Side A=43 and Side B=12, Calculate side H. Give your answer to 1…

A: Given: Side 1 (A) = 43 Side 2 (B) = 12

Q: 2.31 was , thanks

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Q: A force 4 N making angle 45 with x axis. The y component is?

A: Answer Given  Force  F = 4 N Angle θ = 45º with x axis we have to find y component.

Q: Convert the following Vectors given in polar coordinates (r, q) to the equivalent Vector in…

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Q: 600mg=?g

A: Given ,  600 mg  We have to convert 600 mg to how much gram .

Q: Vector A = 7.4 i + 3.2 j.  Vector B = 3.7 i - 7.1 j. Calculate the angle between the two vectors in…

A: Given data The vector A is given as A = 7.4 i + 3.2 j The vector B is given as B = 3.7 i – 7.1 j.…