Fariya, a 53 kg female was instructed by the trainer to perform exercise on cycle ergometer with a resistance of 2 kg, 4 m.rev-1 for 10 minutes and 60 revolutions in a minute. Calculate the total work done and power generated by this exercise.

Q: If a person has $5, how long could he or she play a 200 W stereo if electricity costs $0.15 per kWh?

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Q: A body falls in a medium offering a resistance proportional to the speed at any time. If the…

A: Let v denote the instantaneous speed of the falling body. The force of gravity (weight W) acts on it…

Q: Calculate the energy stored for the series-parallel combination shown in figure if C1 = 2 µF, C2 = 3…

A: Energy of a capacitor The energy stored in a capacitor is electrostatic potential energy and is thus…

Q: Consider a resistor made of copper that you connect to a 12.0 V power supply in an oven where the…

A:

Q: Consider the circuit shown below. What is the energy (in J) stored in each capacitor after the…

A: Once the switch is closed then the current start flowing through the circuit. Since the supply is dc…

Q: A battery with internal resistance r= 0.16ohm and emf ε= 404 V is connected to the ends of resistors…

A: Internal resistance , r = 0.16 Ω EMF , e = 404 V R1 = 4 Ω R2 = 12 Ω To find = Total heat energy…

Q: A power transmission line carries 520 A of current at a voltage of 924 kV. If the line has a…

A: I = 520 A R = 48 μΩ/m = 48 x 10-6 Ω/m d = 509 km = 509 x 103 m P = ?

Q: B²1?v? as the loop is exiting Shows that the machine must do work at steady rate of PD R

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Q: For this question, you’re given an unknown device that uses 1.5 W-hour battery. In the spec sheet,…

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Q: Calculate the power dissipated in R5. R1-6n www R2-30 R3-6 n R4=2 n Rs =6n E= 19.8 V Rs =4n ww

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Q: 2.26.2 In the circuit shown in the image below, if R1 = 21 Q, R2 = 26 Q, R3 = 10 Q, and io = 9 A,…

A: R1 = 21 ohm R2 = 26 ohm R3 = 10 ohm io = 9 A

Q: A compact fluorescent lamp (CLF) uses less energy than its equivalent incandescent bulb. How much…

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Q: determine the cost of operating a 2 W electric clock for 365 days at three cents ($.03) per kilowatt…

A: Since you have posted multiple questions we will solve the first question for you . If you want any…

Q: A light rail commuter train draws 645 A of 590 V DC electricity when accelerating. A.What is its…

A: a)  The required input power is, b)  The required time is,

Q: Determine the amount of electrical energy (in J) used by the following devices when operated for the…

A:

Q: A bullet of mass 20 g has an initial speed of 1 ms, just before it starts penetrating a mud wall of…

A:

Q: The Iceberg Kid, infamous for imposing a deep freeze on whoever disagrees with him, discovers that…

A: Given: The thermal energy is 185 J. The time interval is 6.19 s. The operating voltage is 12.0 V.

Q: The Iceberg Kid, infamous for imposing a deep freeze on whoever disagrees with him, discovers that…

A: Given., Thermal energy is generated W = 177 J For time  t = 7.69 Voltage V = 12 V    We know the…

Q: Find the power (in W) dissipated in each of these extension cords.   (a) an extension cord having a…

A: Power dissipation:  When the current flows through the electronic device or the conductor the energy…

Q: You are trying to jumpstart the dead battery (V₁ = 5 [V], zero internal resistance) of your time…

A:

Q: Assume the wires below are made of the same material and have the same cross section. Which wire…

A: Given information :- Here we are given four same materials whose area of cross-section is same but…

Q: What power is dissipated by a 200 ΩΩ resistor through which .050 A flows?   Group of answer choices…

A: Given, Resistance of resistor =200Ωcurrect in resistor =0.050 Awe have to calculate the power…

Q: Two cylindrical bars that have the same length of 1.30 m, are welded together in parallel. One bar…

A: Resistance in parallel 1/R = 1/R1 + 1/R2

Q: A 270° single-turn 1.5 k carbon track rotary potentiometer is required to provide a 6 V output when…

A:

Q: 10.a. To provide a useful purpose, electrical energy is most often converted to A. heat, chemical…

A: Solution: 10.a electrical energy is most often converted to B. heat, light, or mechanical energy.…

Q: A 1.5 kW kettle is used 5 times a day for five minutes each time. What is the cost of running the…

A: Given Power of kettle P = 1.5 kW Cost of 1 unit electricity is = 5.00/kWh

Q: 13. An energy-efficient fluorescent lightbulb operating at power P1 = 28 W can produce the same…

A: Given data: Energy-efficient fluorescent lightbulb operating power, P1=28 W Conventional…

Q: In the circuit shown, R,=R,=R, and ɛ2 =. The rate of heat dissipated by the whole circuit is 110…

A: From the given circuit diagram, when the batteries are ideal,

Q: What is the power rating of a stove that receives 12.5 A of current and requires 150 V to function?…

A: Given: Current, I=12.5 A Potential V=150 V Formula:  Power is given as: P=VI

Q: Assume the capacitor to be fully discharged before the switch closes to position 1 at t=0: D.…

A: Given:Let resistor, R1 = 22k ohmresistor, R2 = 68k ohmcapacitor, C = 10 nFbattery, V1 = 12 Vbattery…

Q: Consider a resistor made of copper that you connect to a 12.0 V power supply in an oven where the…

A: Assume that a resistor of resistance R1 is connected to a 12.0 V power supply in the oven wherein…

Q: 2.00 N 3.00 N E1.00 N 18.0 V 4.00 Q 4. The Power dissipated in the 20 is = W & Power dissipated 40…

A:

Q: Four identical batteries, each with an internal resistance Rw = 1 Ω and of unknown strength the…

A: 37.5 W

Q: A 50-N weight is suspended by a spring that is stretched 0.05 m by the weight. Assume a resistance…

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Q: Ch 20, Problem 65 Find the equivalent resistance between points A and B in the drawing.

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Q: You are trying to jumpstart the dead battery (V₁ = 5 [V], zero internal resistance) of your time…

A:

Q: The Van de Graaf generator includes a metal sphere of radius R electrically isolated from its…

A: Given Current I = 5 μ Α = 5 × 10-6 A  Time taken t = 1.3 sec Potential V = 4 × 102 KV = 4 × 105 V

Q: In the circuit shown, R;=R,=R, and ɛz =4. The rate of heat dissipated by the whole circuit is 110…

A: Given that :- R1=R2=R  And E2=E1/2

Q: Consider the following RC circuit after the switch is closed. The resistances in the circuit have…

A:

Q: An electric motor takes 15.0 A at 110 V. Determine the: a) power input b) cost of operating the…

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Q: G: Ā= 22 units, 28°, N of E B= 25 umits, 71°, Sop E Č = 50 umits, 79°, S ofW

A:

Q: How much energy (in units of kWh) does a 824-W electric motor use in 29 hours of operation? a.…

A: Given data: Power of electric motor (P) = 824 W = 0.824 kW Time (t) = 29 hours

Q: A heart defibrillator passes 10.0 A through a patient’s torso for 5.00 ms in an attempt to restore…

A: From the ohm's law, we have V=IR where V= voltage, I= current, and R=Resistance.

Q: A microhydro power system has a turbine, generator and voltage régulator which provides electrical…

A: Given: The efficiency of the turbine is 93.5%. The efficiency of the generator is 87.6%. The…

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.