The essential component of a toaster is an electrical element (a resistor) that converts electrical energy to heat energy. How much current is drawn by a toaster with resistance 12W at 110V?

Q: It takes 4 hours for a boater to travel 15 miles upstream and back. If the speed of the boat in…

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Q: Two particles move at right angle to each other. Their de Broglie wavelengths are A1 and 12…

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Q: The depth of the moons atmosphere is 101.333km. If the average pressure is 3.0*10 -5 bar and the…

A: Given The depth of the moons atmosphere = h = 101.333 km. the average pressure = 3.0 × 10-5 bar the…

Q: A monorail train starts from rest on a curve of radius 4 accelerates at the constant rate a, . If…

A: Given:- A monorail train starts from rest on a curve of a radius of r = 400 m and accelerates at a…

Q: Answer the following questions using the table to the right. Part (a)  Calculate the index of…

A: Given data: Speed of light in medium (v) = 2.012×108 m/s Required: Index of refraction and name of…

Q: same heat transfer into identical masses of different substances produces different temperature…

A: Given Mass m = 1 kg Heat given Q = 1 J  Initial temperature = 10 o C specific heat of copper  = 389…

Q: The distance between the eyepiece and the objective lens in a certain compound microscope is 10.4…

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Q: A very large clock has a pendulum with a length of 3.70m. What is the period of this pendulum? O…

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Q: Part A A woman stands on a bathroom scale in a motionless elevator. When the elevator begins to…

A: GivenWhen the elevator begins to moveThe scale briefly reads only 0.7 of her regular weight

Q: Two children push on opposite sides of a door during play. Both push horizontally and perpendicular…

A: F1 = 165 N  Distance from Hinge to force F1 is r1 = 0.40 m  Let the force exerted by second is F2…

Q: 10 +12V 4 Q 20 +9V 60 30 +6V in

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Q: A 78.0-kg diver is standing at the end of a diving board while it is vibrating up and down in simple…

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Q: 1. The eye of a hurricane passes over Grand Bahama Island in a direction 30.0° north of west with a…

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Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

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Q: When a man stands near the edge of an empty drainage ditch of depth 2.80 m, he can barely see the…

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Q: Consider the circuit shown below. The circuit contains an inductor, 10.0 mH, a 60.0 V battery…

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Q: Suppose you use an ideal pulley of the type shown in Figure 5.18(b) and find it necessary to exert a…

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Q: An electromagnetic wave has a wavelength of 1000 mWhat band of the electromagnetic spectrum is this…

A: it comes in medium frequency band (MF).because the range of MF band is 100m to 1000m.

Q: If a 4 moles of a gas at a pressure of 5.6 atm and a volume of 12 liters, what is the temperature?

A: Givenn=4 molesP=5.6 atmV=12 L

Q: (2)Consider a similar spring as above attached to a 5.00 kg mass. At a certain position, the…

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Q: Suppose the coefficient of kinetic friction between m and the plane in (Eigure 1) is 0.27, and that…

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Q: A alien spacecraft has a speed of 0.74c with respect to Earth. The alien measure 39 hours for the…

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Q: A -9nC particle is moving at 3.69x10^5 m/s along –z-axis. It passes a region undeflected with a…

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Q: A

A: Near point=13.5 cm=13.5/100=0.135 m Far point=117 cm=117/100=1.17 m

Q: A copper wire has a square cross section 2.3 mm on a side. The wire is 3.7 m long and carries a…

A: GIVEN Current   = 4 Amp Length of the side if square L = 2.3 mm = 2.3 x 10-3 M Density of the free…

Q: 21.0 cm long spring is hung vertically from a ceiling and stretches to 25.9 cm when a 7.00 kg mass…

A: Here weight mg of the block will be balanced by spring force kx ,where x is the elongation in spring…

Q: While flying at an altitude of 9.25 km, you look out the window at various objects on the ground. If…

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Q: Does something so small matter? What is the difference in the force experienced by the dancer (50…

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Q: The brass bar and the aluminum bar in the drawing are each attached to an immovable wall. At 22.6 °C…

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Q: Problem 9: A ray of light is incident on an air/water interface. The ray makes an angle of 0; = 34…

A: Given data:  A light ray incident on air/water interface θ1 = 34°, n1 = 1 and n2 = 1.33 Required:…

Q: Use the worked example above to help you solve this problem. In a huge oil tanker, salt water has…

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Q: Which of the following describes a real gas better? A) gas particles repel each other B) all…

A: Ques: Which of the following describes a real gas better? A) gas particles repel each other B) all…

Q: Calculate the force a piano tuner applies to stretch a steel piano wire 8.40 mm, if the wire is…

A: change in length (∆L) = 8.40 mm diameter of wire (d) = 0.800 mm Length (L) = 1.35 m Young's modulus…

Q: There is a mass of 3.10kg at the point (x, y) = (-1.90m, -2.80m), and a mass of 4.20kg at the point…

A: we have center of mass Xcm=∑mixii=1nM Ycm=∑miyii=1nM where M = ∑m1i=1n sum of masses

Q: 11.A coil of radius 0.5 m consisting of 1000 loops is placed in a 500 T magnetic field such that the…

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Q: a) A piano is to be moved into an apartment through the balcony. It is currently suspended in the…

A: (i) FBD drawn (ii) Mass of Piano = 475.3 Kg (iii) Tension in rope = 2376.5 N

Q: Pith the horizontal, so if the horizontal component of its velocity Assume that a ball is kịcked at…

A: Maximum height of the object is the highest vertical position along its trajectory.  Here, we…

Q: A proton moves perpendicular to a uniform magnetic field B at a speed of 1.00 X 10^7 m/s and…

A: Answer:-  Given  Velocity (V) = 1.00 × 107 m/s k (k unit vector)  Acceleration (a) = 2.00 × 1013…

Q: A particle is moving with speed y = bvx along positive x - axis. Calculate the speed of the particle…

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Q: Determine the speed, wavelength, and frequency of light from a helium-neon laser as it travels…

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Q: A metallic cube whose each side is 10 cm is subjected to a shearing force of 100 kgf. The top face…

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Q: Explain the nature of EM waves traveling in a medium with the help of Phase and Group velocities

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Q: In this problem, we will go through the famous experiment led by Robert A. Millikan. The charge of…

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Q: A bat flying at 4.65 m/s is chasing an insect flying in the same direction. The bat emits a 39.9-kHz…

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Q: An optician directs a laser beam through a transparent medium, toward one surface of an equilateral…

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Q: Problem 5: An object is placed in front of a thin converging lens, as shown. ↑ The focal-point…

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Q: Find the distance from image to the mirror (positive for real image and negative for virtual image).…

A: Given:- f= 1.2 m.   (Focal length of convex mirror is always +ve) u= -3 m 1/v + 1/u = 1/f => 1/v…

Q: 15 in. The required tension in cable AB is 200 lb. (Note: Point C is a pin joint.) D Draw a free…

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Q: Two blocks of masses 20 kg and 8 kg are connected together by a light string and rest on a…

A: Given:- m1= 8 kg = mass of block-1 m2= 20 kg = mass of block-2 a= acceleration of the system= 0.5…

Q: 10. Two masses m, and m2 are suspended on an ornament. The ornament is hung from the ceiling at a…

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