A total charge Qis uniformly distributed through-out a sphorical volume of radius a. Which of the following is a dimensionally correct expression for the potential difference between the center of the sphere and its surface? () Qu B) () Qa (C D) (n) E)

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

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

Q: What is the meaning of physics

A: Physics is a  branch of science deals with the nature and properties of matter and energy. In the…

Q: 10.0 m. Y 500 N T₁ 3.0 m 6.0 m X

A:

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: In the figure, one end of a uniform beam of weight 150 N is hinged to a wall; the other end is…

A: Free body diagram:

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

A:

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

A:

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

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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: A rod with a lies abng the x ox's os 'shown. Chorge der s shown. Chorge %3D so woniB 5; pas aut Jo}…

A: The solution of thi question is

Q: 6x² - 19 = 0

A: Solving the equation x² = 19/6

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…

A:

Q: When a hypothetical diatomic molecule having atoms 0.8860 nm apart undergoes a rotational transition…

A: Given, r=0.8860 nm l=2

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: 4. Analytically solve: 3m N+ 5m S+ 2m S+ 7m W+ 4m E

A: Given 3m N + 5m S + 2m S + 7m W + 4m E  Expressing in terms of i and j  Taking i as positive x-axis…

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

A:

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: In the figure, block 1 has mass m₁ = 450 g, block 2 has mass m₂ = 510 g, and the pulley is on a…

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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: (a) A shell is shot with an initial velocity vo of 20 m/s, at an angle of = 00 60° with the…

A:

Q: IN the picture

A: