An electric iron of resistance 24 ohms takes a current of 6 A. Find the heat developed in 35 s.

Q: Two identical sinusoidal waves with wavelengths of 2 m travel in the same direction at a speed of…

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Q: If the metal of crystal structure (FCC) has a Fermi energy equals (4eV), and its atomic weight (60).…

A: Energy = E=hcλ=12400 λ (A0)eV Density =Z×MN0×V Where, M = atomic weight V = Volume N0 = avogadro…

Q: A horizontal metal bar oriented east-west, is dropped straight down at a place where Earth's…

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Q: If the absolute pressure at a depth d in a lake is P, the absolute pressure at a depth 2d will be…

A: Absolute pressure = pgd + Patm Patm = atmospheric pressure  p = density of water g = acceleration…

Q: 4.The formula ΔU=nCV ΔT for the change in the internal energy of a fixed amount of an ideal gas is…

A: The expression for internal energy can be given as,  ΔU=nCVΔT  Where, n = number of moles.  CV =…

Q: ots a ball, giving it a velocity of 100 ft/s at 40 degree angle to the horizontal. One second after…

A: GivenInitial velocity of ball, u=100 ft/sAngle with horizontal, θ=40°

Q: The coil in the figure carries current i- 1.81 A in the direction indicated, is parallel to an xz…

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Q: Two transverse waves y1 = 2 sin(2rtt - Ttx) and y2 = 2 sin(2Tt - TtX + Tt/3) are moving in the same…

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Q: What is the electric field strength at the position of the electron in (Figure 1)? Assume that B =…

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Q: The surface of the planet Mars has a gravitational acceleration of 3.711 ms2. If the mass of Mars is…

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Q: A 0.63 kg mass rests on top of a vertical spring with spring constant 65 N /M a) When the mass sits…

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Q: Two transverse waves y1 = 4 sin(2Tt - TTX) and y2 = 4 sin(2rtt - TtX + Tt/2) are moving in the same…

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Q: A taut string, fixed at both ends, is driven by an oscillator at a constant frequency of 175 Hz. The…

A: Given: Amplitude of each wave, a = 3 mm frequency, f = 175 Hz

Q: QI/ what are the pressure measuring devices?

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Q: A force F = 90 N making an angle 0 below the horizontal is pushing a block with a mass m = 10 kg.…

A: Given: F =90N, m =10 kg, n=123.3 N

Q: Question on Physics - Unit - Work and Energy Answer True Or False for the following statements 1.…

A: A marble is shot from a slingshot on a planet with no atmosphere. At any given moment,before the…

Q: Given Datc: Fonce 190N Disdomce Z 20 m work done

A: Given value--- Force = 190 N. Distance = 20 m. We have to find--- work done?

Q: R1 IR3 IR1 Ir2 = 2.0A %3D R2 R3 V1 = 6.0V V2

A: I2 = 2 AR2 = 4 ohm V1 = 6 v R1 = 2 ohm R3 = 5 ohm

Q: A heavy stone rests on the bottom of the swimming pool. The normal force of the bottom of the pool…

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Q: 1.5-uF capacitor in a television set is charged by a 22,000-V potential difference. To prevent harm…

A: 1.5-uF capacitor in a television set is charged by a 22,000-V potential difference. To preventharm…

Q: A small block of mass `100 g` moves with uniform speed in a horizontal circular groove, with…

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Q: A docs.google.com 82130744@students.liu.edu.lb Switch account Your email will be recorded when you…

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Q: Q1) If line charge density p =2 nC/m lies on the x-axis [between points (1, 0, 0) and (7, 0, 0)] as…

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Q: M IN A ball is thrown with an initial velocity vo = 12 m/s making an angle 00 = 58° above the…

A: Write the given values with the suitable variables. v0=12 m/sθ0=58°t=0.5 sg=10 m/s2 Here, v0, θ0, t,…

Q: Suppose a planet is discovered orbiting a distant star with 12 times the mass of the Earth and 1/12…

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Q: A projectile is fired into air from the top of a building, with an initial speed vo = 30 m/s at an…

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Q: The maximum speed that a car can turn a curve of 9.00 m radius without skidding is 70.0 mph (miles…

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Q: Five simple pendulums are shown in the drawings. The length of the pendulums are drawn to scale, and…

A: Given:Five pendulumsDifferent Lengths Different mass (m or 2m)To Find:Which pendulum has the largest…

Q: Three resistors R1 2Ω, R2 4Ω R3 82 are connected to a source with terminal voltage of 6V. Find the…

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Q: Gipen Dat t: Fonce = 190N Distance Z 20 m Findle Work done ?

A: Given data :                        Force     =    F                      Distance    =    d…

Q: Calculate the voltage Vi and the current Ii for the following two cases where the resistance is…

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Q: An object is moving in a straight line. One half of total displacement the object moves with…

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Q: Apollo Moon missions, the lunar module would blast off from the Moon's surface and dock with the…

A: Find the impact speed of the lunar module, given that it is jettisoned from an orbit 200 km above…

Q: Question 8 (1 point) A diver shines a flashlight upward from beneath the water (n=1.33) at an angle…

A: Given: incident angle i = 37.5° , nwater = 1.33  nair = 1 Let angle of refraction in air is r

Q: When you fly in an airplane at night in smooth air, you have no sensation of motion, even though the…

A: relative speed:

Q: A standing wave on a string is described by the wave function y(x,t) = (5 mm) sin(4Ttx)cos(30Tt).…

A: given standing wave equation = y = (5mm) sin(4π x) cos (30π t)

Q: A 3 kg point mass is at coordinates (4 m, 5 m), a 6 kg mass is at (-8,3) and a 3kg mass is at (x,y)…

A: Dear student The moment of inertia is defined as: I = mr2 where, r = perpendicular distance of…

Q: A 101 kg of ice is kicked so that it will have an initial velocity of 13 m/sec. If the coefficient…

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Q: 120 V 6 pF 2 µF 3 ph

A: Charge of the capacitor is find by the Q=CV if capacitor are connected in series,  1CT=1C1+1C2 If…

Q: What is the difference between a good con- ductor and a good insulator? (32.4) a. Why are metals…

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Q: Calculate the momentum of a car having mass 200 kg moving with a velocity 28 m/s

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Q: The difference in frequency between the first and the fifth harmonic of a standing wave on a taut…

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Q: A string fixed at both ends is driven by a vibrator with constant frequency f. When the tension in…

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Q: This object is located 6.9 cm to the left of the lens, and the image forms at 29.0 cm to the right…

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Q: When the nurse takes your blood pressure, you usually are seated and it is usually measured on the…

A: In leg the blood pressure readings will be greater in comparison to the arm. It has been recognised…

Q: 3. An object, 26.9 m from a wall, is kicked with an initial velocity m/s at an angle e above the…

A: GivenDistance of object from wall, s=26.9 mInitial velocity of object, u=19.8 m/sHeight of ball,…

Q: A 75-kg crane is suspended through a frictionless pulley to a massless pole at two points, each…

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Q: A standing wave with wavelength of 2 m, speed of 20 m/s and amplitude of 2 mm is generated on a taut…

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Q: The wave functions of two sinusoidal waves y1 and y2 travelling to the right are given by: y1 = 0.02…

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Q: 2. a. How string is the gravitational force between a 25 kg object on the surface of the Earth 2. b.…

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