A parallel plate capacitor has square plates 6cm on a side, separated by 0.3mm. The capacitor is charged to 3V,and then disconnected from charging power supply. 1.1 What is the total charge? 1.2 What is the charge density on each plate?

Q: 24) Light from the atmosphere enters a container of benzene at an angle of 43 degrees to the normal;…

A:

Q: 4. A 0.98 kg. block slides on a frictionless, horizontal surface with a speed of 1.32 m. The block…

A: mass of block (m)=0.98 kg speed(v)=1.32 m/s spring constant(k)=245 N/m  let 'x' be distance by which…

Q: 15. A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts…

A: initial velocity, u = 5 m/s initial height, h = 1.2 m

Q: What beat frequencies (in Hz) will be present in these situations? (a) if the musical notes A and B…

A: frequency of note A fa=222 Hz  frequency of note B fb=249 Hz frequency of note Efe=333 Hz frequency…

Q: A block of mass 1.77 kg sliding with a constant velocity of 4.89 m/s to the north, which collides…

A: The mass of the first block, m1=1.77 kg The mass of the second block, m2=4.30 kg The velocity of the…

Q: hockey puck that has a mass of 170 g travels with a speed of 30 m/s. What is the momentum…

A: Mass of object is m=170 g Velocity of object is v=30 m/s Note: 1 kg=1000 g Find: Momentum of object.

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Q: Kid 1 jumps on a sled and collides with kid 2 sl which was at rest. The collision was linear, with…

A: In all collision momentum remains conserved.

Q: 19) Waves on a particular string travel with a speed of 16 m/s. By what factor should the tension in…

A: Waves on particular string travel with speed,V=16 m/s  required speed = 32 m/s

Q: 10) How much work is required to move a charge from one location on an equipotential to another…

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Q: Two long straight wires run parallel to one another with current flowing in opposite directions…

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Q: Near the end of a marathon race, the first two runners are separated by a distance of 45.0 m. The…

A: To solve this problem, we can first find out how long it will take for the front runner to cross the…

Q: The surface area of an adult human is about 1.80 m². The emissivity of human skin is 0.970. Body…

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Q: 99. A 20.0-g object is placed against the free end of a spring (k equal to 25.0 N/m) that is…

A: The 20 g object is placed against the compressed spring, which is compressed by a distance of 10 cm.…

Q: A very large water tank, open at the top, has a small hole in the bottom. Assume that the area of…

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Q: Identify the best method for finding the electric field strength at the test point, choosing from…

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Q: A force is acting on a 2.00 kg particle whose position changes with time as x = 4.0 t - (1/3) tº,…

A: Mass of particle is m=2 kg Position of particle as a function of time is xt=4t2-1/3t3; here x is in…

Q: A conducting spherical shell has inner and outer radii ra = 0.12 m and r = 0.15 m, respectively. As…

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Q: A soft tennis ball is dropped onto a hard floor from a height of 1.60 m and rebounds to a height of…

A: Dear student,  Since you have posted a question with multiple subparts, as per company guidelines we…

Q: One end of a cylindrical pipe has a radius of 2.2 cm. Water (density = 1.0 × 10³ kg/m³) streams…

A: Radius of the cylindrical pipe at one end, r=2.2 cm=2.2×10-2 m Speed of the water flow at this end,…

Q: A A hollow conducting spherical shell has radii of 0.80 m and 1.20 m, as shown in the figure. The…

A:

Q: 3. a. b. Draw Electric and Magnetic Field lines: Please differentiate between them. What would the…

A: Charge on first charge Q1=1C Charge on second charge Q2=-1C Force between them =1N

Q: 91 = = -4.60 x 10-5 C, q2 = +3.10 x 10-6 C, and 93 = -8.30 x 10-5 C. Find the x-component of the net…

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Q: Water waves in the sea are observed to have a wavelength of 369.1 m and an angular frequency of 1.4…

A: Wavelength of water waves in the sea is, λ= 369.1 m  Angular frequency is , w=1.4 rad/s.  We  To…

Q: A particle is traveling in a straight line. Its position at time t in seconds is given by s(t) = 4√t…

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Q: he wall against which the ladder is resting is frictionless. Calculate the maximum mass of the…

A: The coefficient of static friction between the ground and the ladder is mus = 0.49  Mass of the…

Q: A gas has a well-defined mean energy E when its volume is V and mean pressure is p. If the volume of…

A: Given:relation between pressure and volume is P =kV−5/3here Va = 8×103 cm3 = 8×10−3 m3Vb = 1×10−3…

Q: Consider a non-rotating space station in the shape of a long thin uniform rod of mass 7.07 x 10^6 kg…

A:

Q: The solar system is 25,000 light years from the center of our Milky Way galaxy. One light year is…

A: Distance of the solar system isR=25,000 ly speed at which the solar system is orbiting is v=230 km/s

Q: A near-sighted person has a far point of 71 cm. (a) What is the focal length (with its sign), in…

A: near point = 71 cm least distance of distinct vision = 25 cm distance between eye and glasses = 2 cm…

Q: An object is thrown upwards at a speed of 53 m/sec from the top of a building which is 20 meters. 3.…

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Q: 00:01 Pause Minimize embedded content O 22.0 Ohms O 19.2 Ohms O 4.67 Ohms 35 Z What is the…

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Q: An electron travelling at 5 x 106 m/s at right angles to a magnetic field experiences a magnetic…

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Q: The function y(x, t) = (27.6 cm) сos (лx + 16.7лt), with x in meters and t in seconds, describes a…

A: Function, y(x, t) = (27.6 cm) cos(πx + 16.7πt)

Q: Bob is moving away from Alice with speed of 0.5c. Carlos is moving away from Alice and perpendicular…

A: Speed of Bob with respect to Alice: vbob = 0.5c Speed of Carlos with respect to Alice: vcarlos =…

Q: The function y(x, t) = A cos(kx - wt) describes a traveling wave on a taut string with the x-axis…

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Q: 11) A uniform electric field of magnitude 6.8 X 105 points in the positive x direction. Find the…

A: Dear student,  You've mentioned to solve question number 5, as per numbering question number 11 is…

Q: A powerful motorcycle can accelerate from rest to 28.8 m/s (64 mi/h) in only 4.90 s. (For each…

A: To calculate the average acceleration of the motorcycle, we can use the formula:Average…

Q: A uniform 3 m long ladder of mass 20 kg leans against a wall. The coefficient of static friction…

A: The maximum angle the ladder can make with the horizontal before slipping occurs is given by the…

Q: A student throws a 4.2kg ball at an angle of 32° above horizontal off the top of a building with an…

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Q: What is the output voltage of a battery that expends 12 J of energy in moving 1.5 C of charge?

A: Work done by the battery                                       W = 12 J Charge moved…

Q: Is it true that a computer consists of a lot of different parts but that it still needs electricity…

A: Yes, it is true that a computer consists of a lot of different parts, including hardware components…

Q: For the scalar potential field f = x^2*y^3 + x*y^2*z^3 + c, what is the direction and magnitude of…

A:

Q: What is the critical angle for the interface between water and diamond? The index of refraction of…

A: nwater = 1.33, ndiamond = 2.42.  Because diamond has a higher index of refraction, the light ray…

Q: How much will it cost to operate a 4-kW air-conditioner for 12 hours if the cost of electricity is…

A: If a 4-kW air-conditioner operate for 12 hours then the electricity required(in kWh)= 4×12kWh=48kWh

Q: Exercise 3.1. Show that for the case of magnetostatic phenomena, V · J = 0. Interpret this result.

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Q: A force of 280 N is sufficient to keep a 90 kg wooden block moving at a  constant velocity across a…

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Q: A slit 1.00 mm wide is illuminated by a wavelength of 589 nm. We see a diffraction pattern on a…

A: The distance between the first two diffraction minima (m=1 and m=2) on the same side of the central…

Q: A 0.0720m x 0.171m x 0.489m block is suspended from a wire and is completely under water. What…

A: The size of the block is 0.0720m x 0.171m x 0.489m. The liquid is water.

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.