The power of a contact lens is -7 Diopters. What is the focal length of the contact lens?

Q: 500 Ω a 400 Ω b 700 Ω 15 12.0 V

A: R1 = 500 ohm R2 = 700 ohm R3 = 400 ohm V = 12 volts   

Q: Given two capacitors 3.5F and 4.2F, and a total electric p

A: GivenC1=3.5 FC2=4.2 FTotal electric potential,=200 V

Q: 28. The current in a discharging RC circuit is given by /(0) 7[1-exp(-(3s')t)]A. If the capacitor ha...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Activity 10: Capacitance and Energy on a Circular Parallel Plates A circular parallel plate capacito...

A: GivenRadius of plates, r=0.1 mDistance of seperation between plates, d=0.005 mVoltage,V=110 VK=3.2

Q: A small bulb is rated at 7.5 W when operated at 125 V. The tungsten filament has a temperature coeff...

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Q: electric dipole moment of a water molecule (H2O) is 6.13×10−30 C⋅m. You place a water molecule in a ...

A: Given Dipole moment p = 6.13 × 10-30 Cm  Electric field E= 3 × 105 N/C  Angle= 500 

Q: A rocket is designed to be launched to space with an acceleration defined by the equation given belo...

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Q: steel bar and an aluminum bar of the same volume are thrown into the sea. At the sea floor (having e...

A: Bulk modulus B = -ΡV/ΔV P = pressure  ΔV = change in volume  V= initial volume 

Q: What is the wavelength of the sound emitted by the violin string vibration 300 times per second? Ass...

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Q: A 3.07 kg particle has a velocity of (3.07 î - 4.09 ĵ) m/s. (a) Find its x and y components of momen...

A: Given mass of particle=3. 07kg Velocity of the particle =(3.07i - 4.09j) m/s   We have to find the m...

Q: A 4.0-N resistor has a current of 3.0 A in it for 5.0 min. How many electrons pass through the resis...

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Q: Two motor vehicles, BMW and Ducati, are driving at SLEX southbound lane. At 9:00:00 am they are 100 ...

A: When second car overtaken first the distance traveled by second car must be greater than 100 m than ...

Q: 4. A small bulb is rated at 7.5 W when operated at 125 V. Its resistance (in ohms) is ANS = 2100

A:

Q: An observation point, PP, is located a perpendicular distance, RR, from one endpoint of a segment of...

A: Given:Current in the semi infinite wire, Iperpendicular distance between point P and wire is RAsked:...

Q: The object is between the center of curvature and focal point with the height of 4.5mm. Identify the...

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Q: A Toyota Camry has a mass of 1495 kg and is moving due west with a velocity of 4 m/s while a Honda C...

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Q: What will the potential difference across the conductor be when the current is 1.2A? O 1.2V O 10V O ...

A: From the graph: The current difference is, I=I2-I12=0.4-0.22=0.22=0.1 A   The potential difference i...

Q: Velomobile Characteristics Mass: 29 kg in addition to the rider Aerodynamic drag: F, = 0.0492 V* (Ne...

A:      

Q: What is Evaporation? What are the physics related to Evaporation? What are the Factors affecting e...

A: Evaporation can generally be defined as a process by which a liquid or solid is transformed into vap...

Q: You are climbing on a hill that is inclined at 22º with the horizontal and you wish to build a rope ...

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Q: Suppose the speed of rotation of the coil in an AC generator is doubl happens to the amount of induc...

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Q: climbing on a hill that is inclined at 15degrees with the horizontal and you wish to build a rope to...

A: According to Newton's second law Net force F = ma

Q: Problem 3: Case 1: A DJ starts up her phonograph player. The turntable accelerates uniformly from re...

A: Time t1 = 10.4 sec frequency f1 = 7860 = 1.3 rev/sec frequency f2 = 12060 = 2 rev/sec number of turn...

Q: Two identical charges Q are placed at x = - a and at x = a. What is the magnitude of the net electr...

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Q: A rocket is designed to be launched to space with an acceleration defined by the equation given belo...

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Q: If nl and n3 are either both larger or smaller than n2 in a thin film interference, then what will h...

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Q: Two resistors are arranged in a circuit, as shown below. 24-volt 4.0 2 6.0 2 source

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Q: Please calculate the percentage difference?  accelaration of crate in inclined plane = 2.21m/s2 a...

A: Given, accelaration of crate in inclined plane = 2.21m/s average acceleration 2. 0.5166m/s²

Q: With 21 V applied, if R1 = 5 ohms, R2 = 35 ohms, and R3 = 14 ohms, what is the current in R2 if R1 ...

A: Q 1) The resistance R2 and R3 are in parallel connection. The net resistance is 1Rnet = 1R2+1R3 = 13...

Q: Draw a sketch and also a good FBD to identify the relevant forces doing work. Pay attention to the u...

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Q: A parallel plate capacitor has square plates of side 5 cm and separated by a distance of 1 mm. (a) C...

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Q: 1. A parallel-plate capacitor has a rate of 5 mF with no dielectric material. What will be its

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Q: **45 Figure 28-44 shows a 4B wood cylinder of mass m = 0.250 kg and length L = 0.100 m, with N = 10....

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Q: You (70kg) are running westward at a speed of 10m/s has a head-on collision with your crush (45kg) w...

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Q: I. The electric field and the electric force have the same direction. II. The electric field surroun...

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Q: 11. Consider a wire with conduction electron density 5.9 x 1028 1. If the diameter of the wire is 1....

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Q: 4. Unpolarized light passes through two Polaroids; the axis of one is vertical and that of the other...

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Q: 2oiavd 1onoH e 125T Potential Difference Current (volts) Od (amperes) itonge 1.5 0.0032 3.0 lo no e ...

A: Given , The data of voltage and current. a) Take current along x axis and voltage along y axis. X ax...

Q: You are playing volleyball. Your hand was in contact with the ball for 3milliseconds during the rall...

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Q: Analyze the following vector system and calculate the magnitude and direction of the resulting vecto...

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Q: 4. Unpolarized light passes through two Polaroids; the axis of one is vertical and that of the other...

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Q: You are playing volleyball. Your hand was in contact with the ball for 3milliseconds during the rall...

A: From Newton's second law of motion ,we know that force F is the rate of change of momentum . Or F= m...

Q: a. What is the voltage output (in V) of a transformer used for rechargeable flashlight batteries, if...

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Q: A proton moves through a magnetic field of magnitude 2.0T at a speed of 5.00 x 106 m/s perpendicular...

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Q: . At the instant an electron enters a uniform magnetic field of 0.500 T directed along the positive ...

A: R = radius in circular path = mVz/qB Here m= mass of electron Vz = z component of velocity q = charg...

Q: In the figure below, the be s 420 on on each edge. Four straight segments of wireab, c ot, and de-fo...

A: Current=4.5A Length=0.042m Magnetic field=0.018T  

Q: Which is CORRECT about capacitive and inductive reactance? O a. Inductive reactance is directly prop...

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Q: Given the graph below, what can be inferred about the voltage and current in a circuit with an AC so...

A: An AC source is as it name says Alternating Current source. It means that the current varies continu...

Q: A research group is investigating short-lived radioactive isotopes. They need to design a way to tra...

A: We know that  We have given that the beam of alpha-particles bends through a 90-degree region with a...

Q: A student sits on a freely rotating stool holding two dumbbells, each of mass 3.07 kg (see figure be...

A: Given, Mass of each dumbbells (m)= 3.07kg Initially dumbbells are 1.06 m from axis of rotation(Ri=1....