In general waves have two velocities, the group velocity and the phase velocity. W these velocities for an electron-wave?

Q: The amplitude of the wave shown is ---.

A: Answer is (d)  2 m, explanation is in next step

Q: 10.0 m. Y 500 N T₁ 3.0 m 6.0 m X

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Q: The speed 72 km/hour. What is the in-SI system of units?

A: The SI unit of speed is m/s.   Where m = meter,  s = second

Q: water n = 19m calculate fir A r FH Th 3m 4m 3h

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Q: Two horses are pulling a barge with a mass 4000 kg along a canal, as shown in Figure 4.8 in the…

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Q: Om=2.78 |h=31m Find P.E g=10m ls2

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Q: incorrect. ahhhh

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Q: Assume that the brakes in your car result in a constant deceleration of magnitude a, which is…

A: Let the initial and final velocities of the car be denoted as u1 and v. Use the third kinematic…

Q: As shown in the figure, calculate the magnetic field that wil1 be formed at the point A of the…

A: Given:- Radius of the half circle = 5 cm = 0.05 m Current flowing through the circuit = 10 A

Q: Determine where the resultant acts measured from A. A. 3.27 ft B. 4.84 ft C. 5.03 ft D. None of…

A: Given :-  A beam is given with a varying load from 150 lb/ft to 200 lb/ft , and a point load of 500…

Q: 55F=k

A: Required :  55 F in Kelvin

Q: The resistance of the metal bar with a weight of 3 N and a length of 1.5 m is 10 2. The metal rod…

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Q: 9. Convert 3.14 rad into degree. OA. 180 OB. 45 O C. 60 OD. 30

A: According to question we need to convert rad to degree .

Q: 1.) Which of the following correctly represents a closec

A: Close circuit makes complete path for flow of current.  In figure B, circuit is broken . In figure C…

Q: What

A: (4) True, there is a point between two objects where the gravitational field is zero.  In…

Q: Which of the following cross-sectional areas will have the largest second moment of area? a. Solid…

A: We know that the Second moment of area is also known as the area moment of inertia of the shape, it…

Q: If we have : A=-3i+5j-k B=i-j-3k Calculate a)the unit vector u in A direction b) magnitude of B c)…

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

Q: 1. Α 10 μF,20 μ F, 22 μF, and 100 μ F capacitor are in parallel. The total capacitance is

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Q: How many scale does the device has ?  A. One  B. Two  C. Three  D. None

A: The device in the given picture is a Vernier caliper.

Q: Solve for r. r+P = S 8

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Q: cs Find the forces on the wall and on the floor. L Ladder = 12m Weight Ladder = 98 N 75 kg Mass of…

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Q: 18.) Determine the amount of energy, in joules, stored in a defibrillator's 17.0 – µF capacitor that…

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Q: 5. You measure the mass of an unknown object and obtain measurements of 25.6 g and 25.3 g. What is…

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Q: Perform the indicated operations for the following measured values: a. 3.815 g x 1.0410 g = b.…

A: According to question--- what is perform indicated ?

Q: The answer is wrong

A: For spring mass system. The position of the mass as a function of time can be described by the…

Q: IN the picture

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Q: 1 Metric ton = k

A: Metric ton is  unit of weight

Q: kg.m а. 68 mg.µm to hr2 ms? b. 49mg/ст3 to ng/mm3

A: (a) The conversion is shown below : 68 mg.μmms2×1 Kg106 mg×10-6 m1 μm×1 ms22.778×10-72 hr2=881.14…

Q: Don't use chat gpt It

A: Step 1:Step 2:Step 3: