The width of a spectral line of wavelength 300 nm is measured as 0.01 nm. What is the average time that the system remains in the corresponding energy state? 0.47 second 0.015 millisecond 0.15 femtosecond 4.7 picosecond

Q: A playground is on the flat roof of a city school, 5.5 m above the street below (see figure). The…

A: Height of roof (H) = 5.5 m height of vertical wall (h) = 6.8 m Angle of launch (θ) = 53 degree…

Q: Physics 211 - Module 1 Hands On Activities Packet 2 Activity 1.10- Introduction to Vectors Part 1 1.…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: If a power company charges about 10 e per kilowatt-hour, how much would this energy cost per day if…

A: Tha charge: The energy:

Q: Would it be a minus sign instead of a positive one ?

A: Yes , it would minus sign.  Complete solution is below.

Q: 1. An oil bead with a diameter of 1.0 cm was dispersed into the water to make the oil bead with a…

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Q: in the figure below, a metal bar sitting on two parallel conducting rails, connected to each other…

A: Solution:   e) Given that,   B=2.60 T at t=0 dB/dt=0.50 T/s x0=0.100 mV=2.25 m/s

Q: This is a drawbridge, held in place by a cable. The hinge is frictionless. This problem and the next…

A: Given The drawbridge's weight = W = Mg = 6000 lb length of drawbridge's = l = 52 ft the height of…

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Q: Can someone help me with problem, I need help with question A and B and I was wondering if you can…

A: Given, Surface charge density is  η=3.2μC/m2 and the diameter of the circular hole. The distance of…

Q: 30. In nuclear fission, a nucleus splits roughly in half. (a) What is the potential 2.00×10-14m from…

A: Given: In this question, the given details are, In nuclear fusion, a nucleus splits roughly in half.…

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Q: Question 4: Consider the following setup: C Determine the equivalent capacitance, and the charge on…

A: 4)4 capcitors are connected in an arrangement as shown in the circuit. The capacitance of each…

Q: Determine the magnitude of the resultant (F, + F₂) force in N when F₁ = { 10 i+20 j} N and F₂ = { 20…

A: Given data:  Two forces F1 = (10i + 20j) N F2 = (20i + 20j) N Required: The magnitude of the…

Q: honest 2. A cord of mass 0.55 kg is stretched between two supports 30 m apart. The tension in the…

A: Concept: Question 2: Given: Mass of cord=0.55 kgLength =30 mTension= 150 N The Relationship between…

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Q: (a) Calculate in MeV the energy released in the fission reaction 235 U + In 140Xe + ⁹4Sr + 2n The…

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Q: 0 A. t 5 0 B. t 4 x=0 0 C. 3 t 0 D. 21 x

A: We need to find the correct velocity time graph for the given motion diagram.

Q: I just need help solving H and I

A: We will find the minimum and maximum temperatures.  The efficiency of Carnot engine is given as…

Q: Hi can you please solve the 3 part too

A: We will answer this question by looking at how energy of the hoop changes as it rolls down the…

Q: The positions, of a particle moving along a horizontal straight line is given by the equation s=6t?…

A: Given equation,                       S=6t2 - 4  .........        equ.1                 The particle…

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