In a 50-2 radio system, what is the peak voltage of a sinusoid that corresponds a power of 5 W? -95 dBm? 13 pW? If a 300-Q TV antenna has a sinusoidal signal with peak voltage 4 μV, what is the power in dBm? Express all answers to 3 significant figures.

Q: Three point charges of 5µC are located at three of the vertices of a square. 20 cm on a side. Find…

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Q: What the difference between Armature Torque and shaft Torque of a Motor

A: Torque:  It is a measure of force that how much a force required to rotate an object.…

Q: How is torque derrived symbolically, explain.

A: Introduction: Torque: It is sort of tendency of force to cause rotational motion about any given…

Q: QUESTION 9 What would be the frequency of a wave in a material with a refractive index of 1.92, if…

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Q: Explain what are gears?

A: Gears are mechanical transmitted devices that are used to transmit the rotator motion from one shaft…

Q: Which has greater linear spee, the outside rail of a merry-go-round or the inside rail? Select one:…

A: In a merry-go-round, there is no external torque,  so the angular momentum of the merry-go-round…

Q: Three vectors a, b, and 7, each have a magnitude of 41.0 m and lie in an xy plane. Their directions…

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Q: 1a) A vehicle goes around a long circular bend in the road. Part way around the corner, at t=0, the…

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Q: Oum thick section of zirc cular to the stage. For ea he appearance of the grai

A: Negative acceleration is what retardation is. Either the speed of the body increases or decreases.…

Q: Why is it easier to loosen the lid from the top of apaint can with a long-handled screwdriver than…

A: Torque: It is the product of the applied force to the perpendicular length of the force from the…

Q: 4. Shawn was unsuccessful in turning a bolt. He then decides to fasten a rope and tried to turn the…

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Q: The rotational inertia of an object depends on which of these? How fast it is spinningNone of the…

A: Moment of inertia is called rotational inertia. Its symbol is I and given by MR2 . I=MR2 So…

Q: 1. A weight of 6 pounds rest on the end of an 8-foot lever and is 3 feet from the fulcrum. What…

A: According to question we need to find--- What weight must be placed on the other end of the lever…

Q: A 1000. µ F uncharged capacitor is connected in series with a 2.00kN resistor. The capacitor will be…

A: In the RC circuit, the charging equation can be obtained using Kirchoff's loop law. The charging…

Q: The conducting rod shown in the accompanying figure moves along parallel metal rails that are 25 cm…

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Q: what is the relation of rollerskating to Rotational Equilibrium?

A: Introduction: An object is in rotational equilibrium if the velocity of its rotation is constant. An…

Q: perpendicular distance of the force to the point of rotation Moment O Torsional Force Lever arm O…

A: а  mоment  is  аn  exрressiоn  invоlving  the  рrоduсt  оf  а  distаnсe  аnd  рhysiсаl  quаntity,…

Q: is the

A: a)

Q: 3 m 5 kg 6 kg 2 m 5 m 4 kg

A: Given: The masses of the objects are 4 kg, 5 kg, and 6 kg. The distance of the masses from the axis…

Q: what is net Torque? what disection is the wheel moving? 4ON 60 N

A: Diameter of wheel (d) = 1 m radius of wheel (r) = 0.5 m First force (F1) = 60 N (acting downwards on…

Q: 3. A 5.00 kg satellite is to be launch in geosynchronous in orbit on Earth. (a) At what altitude…

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Q: Light of wavelength 587.5 nm illuminates a slit of width 0.75mm. At what distance from the slit…

A: Given that:- The wavelength, λ=587.5 nm =587.5×10-9 m Slit width, Sw=0.75 mm Let the minimum integer…

Q: 4. A 125-kg crate is pulled across the floor by a horizontal rope with tension 365 N, starting from…

A: Solution      Given dataMass of crate m=125kgRope tension T=365NDisplacement d=10mCoefficient of…

Q: Replace the force system acting on the beam by an equivalent force and couple moment at point B.

A: Given:  We have to find equivalent couple moment about point B

Q: What do you understand by clockwise and anticlockwise moment of force? When is it taken positive?

A: When force applied on a body tends to rotate the body, moment of force is calculated. The moment is…

Q: A yo-yo-shaped device mounted on a frictionless rotation axis is used to lift a 30 kg box. The outer…

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Q: What direction of the moment of force F about point B   a. horizontal left b. horizontal right…

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Q: A thin wire, carrying a positive and uniform linear charge density 2, is bent into a quarter-circle…

A: Solution: a). Let us consider the total charge Q on the arc. Consider a small length element dl of…

Q: Calculate the rotational inertia of a wheel that has a kinetic energy of 25.1 kJ when rotating at…

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Q: (a) A water trough is 1000 cm (i.e., 1 m) long and 50 cm high. The cross section of the trough is in…

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Q: a) A typical room contains 2500 moles of air. Treating it like an ideal gas, find the changes in…

A: The changes in internal energy is -592.373 KJ.

Q: find acm with angle -T of..... find condition that not roll o=?

A: Inner radius is r and outer radius is R. We know that torque RTsin(θ) = I×α  α= angular…

Q: a) Write the limitation of balancing of single rotating mass in the same plane. b) Illustrate with…

A: a) Usually rotating masses are balanced to avoid vibrations. If they are unbalanced, it may lead to…

Q: 3. A proton moving at 3 x 10 m/s is projected at an angle of 30° above a horizontal plane. If an…

A: Given: The given details are, A proton moving at 3×104 m/s is projected at an angle of 30° above a…

Q: How would you explain the process of turning a wheel?

A: Turning a wheel involves a combination of mechanical principles and the application of force to…

Q: Two progressive waves 2a x – wt) and Ут (х, 1) 3D A sin y2(x, t) = A sin 2n -x – ot – IT

A: Given, Equation of waves,  y1=5sin(2π4x-31.4t)y2=5sin(2π4x-31.4t-π2)