Calculate the difference in energies of two levels between which a transition of wavelength 4000° A takes place.
Q: -2.0 m If the frequency of the harmonic shown above is 40 Hz, what is the fundamental frequency? 40…
A: Given data: Length (L) = 2 m Harmonic number (n) = 4 Frequency (f4) = 40 Hz
Q: Help!!
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Q: 1) For the circuit shown in the figure, the capacitors are all initially uncharged, the connecting…
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Q: Sherlock Holmes examines a clue by holding his magnifying glass (with a focal length of 19.2 cm)…
A: Focal length f = 19.2 cm Object distance u = 13.5 cm To find: Image distance v =? Magnification m =…
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A: The mass of the disk is 10.0 kg. The radius of the disk is 21.0 cm. The distance traveled by the…
Q: A baseball is pitched, reaching the batter with a speed of 37 m/s, and is hit such that it returns…
A: Given data: Initial speed = 37 m/s Final speed = 48 m/s, opposite to initial speed Time interval (t)…
Q: 36. (II) Two point charges, Q -25 µC and Q2 = +45 µC, are separated by a distance of 12 cm. The…
A: Given: Distance between Q1 and Q2, d=12 cm Q1=-25 μC Q2=+45 μC Electric field at point P is zero. To…
Q: 8) A rigid rectangular loop, which measures 0.30 m by 0.40 m, carries a current of 5.5 A, as shown…
A: Area of the loop A=0.3×0.4=0.12 m2 Current in the loop i=5.5 A Uniform external magnetic field B=2.9…
Q: We need to estimate the temperature at recombination from the figure below. (Estimate a temperature…
A: From the graph, the temperature at the recombination i;
Q: The moon orbits the earth once every 2.4 x 10° sec at a distance of 3.8 x 10% m. Assuming uniform…
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Q: Help!!
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Q: (I) A transformer has 620 turns in the primary coil and 85 in the secondary coil. What kind of…
A: Given data : Number of turns in Primary coil = 620 Number of turns in Secondary…
Q: Both parts please!!
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Q: bjects at any will ball B
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Q: A 100-turn, 5.0-cm-diameter coil is at rest with its axis vertical. A uniform magnetic field 60°…
A: Given values: N = 100 turns d = 5cm θ = 60 degrees B1 = 0.50 T B2 = 1.50 T t = 0.7 s
Q: sive examples and briefly explain the works/experiments of two scientists which gave rise to the…
A: The examples and explanation of the works of two scientists which gave rise to the early quantum…
Q: The figure below shows a circuit with several inductors and capacitors, with both series and…
A: the two capacitors connected in series are C and 2C The two inductors connected in parallel are L…
Q: A divergent lens forms a virtual image 0.62 times the size of the object. The object dis- tance is…
A: We know from lens formula, 1/v - 1/u = 1/f (1) Magnification is given by, m =…
Q: 2. Brenda drives along a straight road at a constant speed of 30.0 m/s. She passes a parked…
A: Given Information: The velocity of Brenda (vb) = 30 m/s The acceleration of the officer (a) = 4 m/s2…
Q: A A person in a boat sees a fish in the water of index 1.33 at an angle of 34° relative to the…
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Q: A wet bar of soap slides freely down a ramp 9.0 m long inclined at 9.0 ° Part A How long does it…
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Q: Constants A particular race car can cover a quarter-mile track (402 m) in 6.90s starting from a…
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Q: A box of mass m is stacked on the top of a box of mass 3m. The surface of the table on which they…
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Q: 23 • Mission Control sends a brief wake-up call to astronauts in a spaceship that is far from Earth.…
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Q: 3) As shown in the figure, a small particle of charge q = -2.564 × 10-3 fC and mass m = 32.86 × 10-3…
A: Given that Charge q = -2.564 X 10-3 fC = -2.564 X 10-18 C Mass m = 32.86 X 10-3 dg = 32.86 X 10-7 kg…
Q: 4) The current supplied by a battery as a function of time is I(t) = (64.27 fA) e-t/(3.78 months).…
A: Current supplied as a function of time is given by; i(t)=64.27e-t3.78 fA Time T=1.413 years=16.96…
Q: o parallel conducting plates are separated by a distance d = 11.4 cm. Plate B, which is at a higher…
A: Electric field between plate is given asE = -∆V∆dNegative sign indicates potential decreases in the…
Q: 1. Three corners of a square with edge 10 cm are occupied by point charges of 4 x 10°C as shown.…
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Q: Help.!!!
A: 1) To find : the estimated length of the rod to the nearest 0.1 cm
Q: The AcmeTM Corporation - Anvil Division has devised a new method for testing their product. They…
A: a. Given, Initial velocity, vi=9.25m/s Final, vf= 72.1m/s According to conservation energy, At…
Q: 4. Imagine that two very smooth glass plates are stacked on top of each other sounded by air. The…
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Q: 7) The figure shows the cross-section of a hollow cylinder of inner radius a = 5.37 cm and outer…
A: solution is given as
Q: Velocity versus time graph of a ball of mass 50g rolling on a concrete floor is shown above.…
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Q: When an object is sitting on a sloped surface that is tilted up at an angle of 30° from the…
A: When an object of mass m is sitting on a sloped surface that is tilted up at an angle of 30° from…
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