1. A concave mirror forms an inverted image three times larger than the object. Find the focal length of the mirror, assuming the distance between object and image is 45 cm.

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: 5. Prove that: Oln T a) Os =C, OIn P alnT b) ), =C,n), aIn V

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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

A:

Q: Which ones apply

A: In the motion diagram shown in A, the points are equidistant from each other. This means that the…

Q: incorrect. ahhhh

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: 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: 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: same magnitude F. If there is no friction between block b and the table, and there is enough…

A: E

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

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Q: 1. Convert the following into indicated angle measure unit: a. 36° to rad b. 125° to rad c. 2 n/5 to…

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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: A rod has length 2 meters. At a distance x meters from its left end, the density of the rod is given…

A: Given Density of rod δ(x)=2+6x And length of the rod is 2m. Let's take a small element of length dx…

Q: 1 Metric ton = k

A: Metric ton is  unit of weight

Q: Convert 67.63 lb 3 ft³ to kg 3

A: We know  1 lbm = 0.453592 kg 1 ft = 0.3048 m so,  1ft3=1 ft3 =0.30483 m3=0.0283168 m3 Then…