Two spherical drops of mercury each have a charge of 0.13 nC and a potential of 300 V at the surface. The two drops merge to form a single drop. What is the potential at the surface of the new drop?

Q: (c) Starting from the satellite on the Earth's surface at the equator, what is the minimum energy…

A: Given that Mass of satellite (m)= 220 kg Height of satellite (h)= 350 km Mass of earth(Me)= 5.97×…

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: The measurement of an electron's energy requires a time interval of 1.2x10-8 s. dil a What is the…

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Q: For each of the following, is W-R positive, negative, or zero? A B F ф B d A d B W- is is WA-B A B A

A: The expression of work done is given by, W=Fdcosϕ Here, F is the force, d is the distance traveled,…

Q: 13. Calculate the magnitude of the acceleration of the asteroid, relative to the spaceship. (a)…

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Q: 4. Find the node voltages in the circuit below. 12 4 2 8. D2 3

A: Given that : R1 = 22 ohm R2 = 12 ohm R3 = 2 ohm R4 = 2 ohm R5 = 5 ohm R6 = 4 ohm  R7 = 7 ohm I = 8…

Q: 12 and 13 if not just number 12

A: Comment: Since we only answer up to  1 question, we’ll answer the 1st question only. Please resubmit…

Q: In the image below there exists a square 3 cm on each side with different points and charges. On q1…

A: Electric field due a charge (q) at a point distance r from the charge is given byE→=kqr2here k=…

Q: 37. For each of the thin lenses (L and L) shown in Fig- ure 24.48, the index of refraction of the…

A: The lens maker's formula is given as: 1f=(n-1)(1R1-1R2) wheren is the refractive index of the lensR1…

Q: A turbocharged 4-stroke medium speed Diesel engine has a cylinder bore of 200 mm and a stroke of 270…

A: The problem is based on the calculation of brake power and energy consumption of a four-stroke IC…

Q: 5. • A concave spherical mirror has a radius of curvature of 10.0 cm. Calculate the location and…

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Q: 124. The diagram below represents a 10.-newton block sliding at constant speed down a plane that…

A: Since object is moving with constant speed hence acceleration acting on it is zero so net force…

Q: Find the kinetic energy of an electron whose de Broglie wavelength is 2.9 Å.

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Q: 4 m, is released from rest. The top piece of string has a mass m, << m1, mh. Determine the…

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Q: A value of 1 Joule is equal to what? A. 1N * m^2 B. 1N*M C. 1 n/m^2

A: A value of 1 Joule is equal to 1N*M The correct answer is B.  1N*M

Q: 7. In what directions are the electromagnetic waves traveling in FIGURE Q34.7? (a) B B (b) E E LL,…

A: 7) Electromagnetic waves consist of the electric and magnetic fields propagating with the speed of…

Q: Q17. Considering the thin lens Equation 1, calculate the image distance when the object is placed at…

A: Concept of lens used here

Q: The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope…

A: Weight of box 1 is Weight of box 2 is Weight of box 3 is Box is resting on table and box 2 is…

Q: Determine the amount of charge stored on either plate of a capacitor 3х 10 F) when connected across…

A: Given data-                   Capacitance = 3×10-6 F                 Voltage across it = 24 V…

Q: A value of 1 J is equal to what?   A.1N * m^2 B.1N*M C. 1 n/m^2

A: We are taking option (B) to be 1 N·m. Joule is the SI unit of energy. The energy is equivalent to…

Q: . As shown in Figure 23.56, a layer of water covers a slab of material X in a beaker. A ray of light…

A: Angle of refraction in water , θr = 48° Angle of incidence in X , made with the normal = 90 - 65 =…

Q: 1-Three charges are placed at the corners of an equilateral triangle with sides of length 2.0 m, as…

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Q: 9. • Coherent light of frequency 6.32 x 10" Hz passes through two thin slits and falls on a screen…

A: When two waves travel with one at the highest point and the other at the lowest point at any point…

Q: 8. A 15kg rectangular block with a length of 80cm and a width of 50cm rests on a table. What…

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Q: A mass, m is on an incline of angle as shown. It is connected via a string to a pulley of moment of…

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Q: Which one of the following is equivalent to a watt? O a. N.m2 O b. N.m O C. J.s O d. N.m.s1

A: Watt is unit of power. Power= Energytime Unit  Nms-1

Q: 40.) Power is the rate at which energy is transferred. work is the process of transferring energy…

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Q: Ch23,P57

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Q: 10. constant a - B 100 g 50g

A: Given, block diagram of A &amp; B To draw FBD's of A &amp; B , find which exerts more force or…

Q: car crash forces I mg Fe Two identical cars, mass 1.0 tonnes, travelling at 30.0 kph in opposite…

A: Given, mass of cars = 1.0 tonss= 15 cm= 0.15 mspeed, u = 30 kph=253 m/sv=0a. we have from equation…