A heater uses a filament of resistance 10Ω and operates at a voltage of 120 V. If the efficiency of the heater is 40%, then how many kg of water at 25 temperature can be boiled for 5 minutes? Solve with the full step thank u

Q: (II) (a) What is the wavelength of a 22.75 × 10° Hz radar signal? (b) What is the frequency of an…

A: Data we have frequency,f=22.75×109Hz speed of light,v=3×108m/s

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Q: 1. (II) Determine the rate at which the electric field changes between the round plates of a…

A: Given Diameter of the electric field is D=8.0 cm=8.0×10-2 m Separation between the plates is d=1.1…

Q: diving bell is designed to withstand pressure of sea water at a depth of 5430 decimeters. (a) What…

A: Given:- h= depth= 5430 dm = 543 m ρ= density of salt water= 1030 Kg/m3

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A: Given, length of the gold bar, L = 50 cm magnetic field into the page, B = 5 T induced emf developed…

Q: 2. (II) Calculate the displacement current ID between the square plates, 5.8 cm on a side, of a…

A: Write the given values with the suitable variables. a=5.8 cm=0.058 cmdEdt=1.6×106 V/m·s Here, a is…

Q: The roof of an electrically heated home is 12m long, 16m wide, and 0.50m thick, and is made of a…

A: Given : Length , L = 12 m ; Width, w = 16 m  Thickness, x = 0.50 m ; Thermal conductivity, K = 0.8…

Q: A windmill is initially turning at a rate of 1 revolution per 4.8 seconds. The wind strengthens,…

A: initial angular velocity = 1 revolution per 4.8 sec angular acceleration = 0.2 rad/s2time = 8 sec

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Q: A particle of mass m=3.3x10-5 kg and charge q=- 5.20x10-5 C has a speed of 5.00 m/s at point A. As…

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Q: A system consists of three charges -qat (-d, 0), +2q at (d, 0), and +3q at (0, d). If the value of d…

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Q: Determine whether each of the following vector fields Fis path independent (conservative) or not. If…

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Q: Use Newton's Second Law for Rotation to calculate the tension in the string. We will assume that the…

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Q: Find the electric potential at x=0.400m Find the value of x between 0 and 1.00 m where the electric…

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Q: oscillator has a period of 4.50 s and an initial amplitude of 15.0 cm. After 21 cillations the…

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Q: A horizontal rope is attached from a truck to a 1379-kg car. As the truck tows the car on a…

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Q: 8) A 60.0 kg student starts from rest (Point A) and slides 26.0 m down a hill where the average…

A: Given: Mass of student = 60 kg Length of the hill = 26 m Height of the hill = 17 m Frictional force…

Q: 39. Go Refer to Multiple-Concept Example 5 to review a method by which this problem can be solved.…

A: Given  final velocity (v)=4.50 m/s deceleration (-a)=2.70 m/s2 time=3 s Required displacement

Q: Two long, charged, thin-walled, concentric cylindrical shells have radii of 3.0 and 7.3 cm. The…

A: Given, Two long charged concentric cylindrical shell having radius, 0inner radii, r1 = 3.0 cmouter…

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Q: an ideal transformer has 60 turns on its primary coil and 300 turns on its secondary coil. E 120 V…

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Q: 31. ssm mmh A cart is driven by a large propeller or fan, which can ac- celerate or decelerate the…

A: Dear student We can apply equation of motion when acceleration of a particle is constant as: v2 = u2…

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Q: 10. Kristen is spinning on the ice at 20 rad/s about her longitudinal axis when she abducts her arms…

A: Given data: Initial angular velocity, ωi=20 rad/s Initial radius of gyration, ri=30 cm=0.30 m Final…

Q: Consider the electric dipole shown in Figure P23.36. Show that the electric field at a distant point…

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Q: A rock is thrown upward at a speed of 15.17ms. How much time will it take to return to the point it…

A: Initial upwards velocity (u) = 15.17 m/s

Q: In an amusement park, a roller coaster cart begins at 70 meters above the ground and glides down a…

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Q: Problem 2: To make ice, a freezer that is a reverse Carnot engine extracts 42 kJ as heat at -15°C…

A: Given, Reverse engine extracts heat from the cold reservoir, Q = 42 kJ  temperature of cold…

Q: A student performs an experiment to study the magnetic force on a current carrying wire placed in an…

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Q: A constant force acts on a 25 kg object and reduces its velocity from 17 m/s to 13 m/s in a time of…

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Q: Alloys of gold are rated in karats, a dimensionless unit that is used to indicate the proportion of…

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Q: 8. An electron is moving through a magnetic field in a direction perpendicular to the field as shown…

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Q: A projectile is fired with a speed of 15m/s at an angle of elevation of 30o    above the…

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Q: sound of 12x10-5 watt for 15 minutes. If you are standing at point A which is 3 meters away from the…

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Q: A cube with a mass of 2.5 kg slides down from the top of a frictionless ramp 1.5 m high. The ramp is…

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Q: In the figure below, each capacitor has capacitance of 8.95 µF and Vab=+30.5V. C₁ C₂ C₂ (a)…

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Q: Determine the velocity that a car should have while traveling around a frictionless curve of radius…

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Q: 49. The switch in Figure P23.49 has been in position a for a long time. It is changed to position b…

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Q: For the system of capacitors as shown in the figure, evaluate the total energy stored by the group.

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Q: A 2.50-kg mass is attached to a vertical spring with spring constant, k=96.0 N/m and allowed to…

A: Given: The mass of the object is 2.5 kg. The spring constant is 96 N/m. The amplitude of the system…

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Q: Descwibe the shape of the curve. How is the magnetic field welated to the current thwough the…

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Q: A gold and silver rod, of equal length and cross sectional area, are joined as shown in Figure 2.…

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Q: A ball is dropped from the top of the cliff 25.0-meter high. (a) How long will it take for the ball…

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Q: A roller coaster cart in an amusement park starts from rest at 75 m from the ground and travels down…

A: We have a cart of mass m that is at rest at a height h1=75 m from which it starts (velocity v1=0)…

Q: The figure (Figure 1) shows a model of a crane that may be mounted on a truck.A rigid uniform…

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