A source emits a regular train of pulses, ontaining exactly two photons. What valu (2) (0) would be expected?

Q: b- b- d a b+ b+

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Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: "Determine the minimum uncertainty in the position of an electron if its speed is known with a…

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Q: 6. How slow does an electron have to be traveling so that it will undergo circular motion while…

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A: Electric field generated by the disk with surface charge distribution σ at point P. Given,  surface…

Q: 2. a. You are walking out on a frozen lake, and you begin to hear the ice cracking beneath you. As…

A: B=27.0 mmHg C=127.0 mmHg

Q: NO.74

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Q: 15. There are 750 registered voters in one precinct. In a primary election, 64 out of 100 voters…

A: so given that only 64 out of a hundred voter actually voted so the voting in percentage is  64% ( 1%…

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A: Option - C is correct answer

Q: A 3,2 km B 120 m #

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Q: Problem #1) Determine the moment of forces about point 0. F3=75 lb X- 15⁰ 6'-0" Y F₂ = 50 lb 90° Y…

A: Forces F1 = 25 lb,  F2 = 50 lb, F3 =  75 lbdistance between origin and point O (d) = 6 ft

Q: (a) How fast would a motorist have to be traveling for a yellow (λ = 590.00 nm) traffic light to…

A: Given data, Wavelengths, λy=590×10-9 mλg=550×10-9 m

Q: number 25

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Q: 5. A merry-go-round (diameter 4.2 m) is rotating freely with an angular velocity of 0.80 rad/s. Its…

A: 5) a) from Conservation of angular momentum               Iiwi = Ifwf  ⇒Iiwi = Ii+ 4mr2wf1360 ×…

Q: A bar magnet moves toward the center of a loop of wire, as shown above. Which of the following…

A: A bar magnet is an artificial magnet which has south and north poles. A magnetic monopole does not…

Q: An object (height=10 cm) is viewed through a diverging lens (f=10.7 cm). Determine the location of…

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Q: I need help on A and B. Thank u in advance.

A: (a)   Consider the initial speed of the elevator be u, its final speed, that is the cruising speed,…

Q: 1. A tennis ball has a mass of 0.5 kg and is moving with a velocity of 25 m/s. Calculate the kinetic…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: (a) What are the units of resistivity (in terms of the fundamental units of kg, m, s, C)? (b) What…

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Q: conductors: sphere inside thick Question 6. Potentia

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Q: We have four resistors with values a d shown in ohms. 8). Calculate the equivalent resistance…

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