What is the angle of the left cord measured from the  +x−axis  counterclockwise ? The reading on the tension protractor on the left is  65°.

Q: The force P is applied to (a) the 79-lb block and (b) the 124-lb block. For each case, determine the…

A: Simply Newton second law of motion has been used here, force=mass*acceleration P=m*a ANS:…

Q: A meter stick is held vertically above your hand, with the lower end between your thumb and first…

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Q: A 39 g metal ball is heated with 2844 J of energy. The specific heat of the metal ball is 0.35…

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Q: A horizontal plank 4.32m long and having mass 25.2 kg rests on two pivots, one at the left end and a…

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Q: From the step ladder shown in the figure, sides AC and CE are each 2.44 m long and hinged at point…

A: Fa andFe  are the forces of the floor on the two feet, T is the tension force of the tie rod. W is…

Q: The voltage drop Vab across each of resistors A and B was measured as a function of the current I in…

A: The data for voltage versus current is given for two resistors A and B

Q: Assume that the glider is traveling at a speed of 4 km/h. After 0.3 minutes, the glider's speed is…

A: Given data:  Initial velocity (Vi) = 4 km/h Final velocity (vf) = 5 km/h Time interval (Δt) = 0.3…

Q: Assume that the launching and landing position of the steel ball are at the same height (y,y) The…

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Q: The three point charges are arranged along the x-axis. The charge q1 = +5.00 mC is at x= -0.100, and…

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Q: 2. The value of 10.0 °C on the Kelvin scale is: A) 346.15 B) 283.15 C) 400.0 D) 373.15 D) None

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Q: Find the binding energy and binding energy per nucleon of the 27/13 Al nucleus.

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Q: A 25.0-kg box of textbooks rests on a ramp that makes an angle with the horizontal. The coefficient…

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Q: The average body temperature of a healthy person is  37.0°C.  Boltzmann's constant is 1.38 × 10−23…

A: Initial Temperature Ti = 37.0°C = (37+273) K = 310 K Boltzmann Constant k = 1.38×10-23 J/K Final…

Q: Consider the compound optical system shown in the diagram, where two thin lenses of focal lengths…

A: Given : f1 = 7.5 cm f2 = 35 cm d = 25 cm

Q: When a moving charged particle enters a uniform magnetic field in a direction parallel to the field…

A: When a charge particle enters a magnetic field in a parallel direction, there is no force on the…

Q: A rigid, uniform, horizontal bar of mass m1 and length L is supported by two identical massless…

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Q: Your goal is to lose weight by working out on a rowing machine. Each time you pull the rowing bar…

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Q: Researchers are conducting a study to quantity the thermal conductivity of a composite material. A…

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Q: In Young's interference experiment, a monochromatic beam of light with 1 = 500 nm passes through…

A: We have a beam of light of wavelength λ=500 nm which undergoes interference b/w two slits of width w…

Q: A telescope has a circular aperture of diameter D = 4.4 m. A light with wavelength λ = 690 nm…

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Q: n ideal monatomic gas, consisting of 2.8 mol of volume 9.2×10−2 m3, expands adiabatically. The…

A: Given : Number of moles of monoatomic gas (n) = 2.8 mol Initial volume (Vi) = 9.2 x10-2 m3 Initial…

Q: A pulsar is a rapidly rotating neutron star that emits a radio beam the way a lighthouse emits a…

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Q: Two streams merge to form a river. One stream has a width of 8.3 m, depth of 3.3 m, and current…

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Q: A telescope has a circular aperture of diameter D = 4.4 m. A light with wavelength λ = 690 nm…

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Q: A potter's wheel of radius 14cm starts from rest and rotates with a constant angular acceleration…

A: Given data:  Radius (r) = 14 cm = 0.14 m Initial angular velocity (ωi) = 0 rad/s Time (t) = 25 s…

Q: If an object is elevated at a certain height and then be released, which of the following may be…

A: Given data:  Object elevated a height and then released Required: How potential energy and kinetic…

Q: 3. What is the x coordinate of the center of mass for the uniform 21. 41. plate shown in the Figure?…

A: The x coordinate of the center of mass of the uniform plate is -0.09L

Q: (a) Find the electric field (magnitude and direction) a distance z above the midpoint between two…

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Q: all forces on the free-body diagram of a body can be computed using only equilibrium analysis, the…

A: If all forces on the free body diagram of a body can be computed using only equilibrium analysis ,…

Q: Assume a transverse wave on a string described by y(x, t) = A cos(kx - ωt). a) The wave has an…

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Q: A mass resting on a horizontal, frictionless surface is attached to one end of a spring; the other…

A: Write the given values with the suitable variables. W=3 Jx=0.13 ma=12 m/s2 Here, W, x, and a are the…

Q: Your answer is partially correct. Two disks are mounted (like a merry-go-round) on low-friction…

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Q: A car sits at rest at the starting line of a circular racetrack.  It begins to accelerate at a…

A: Given that:- Total time taken to complete one lap=28.5sec

Q: Considering the figure attached, which instance has the highest centripetal acceleration?

A: We know that centripetal acceleration = v2r, where v is velocity and r is radius. For A =…

Q: olve the att

A: GivenE=250 JR=39 Ωt=10 ms=0.01 sV=Vo2

Q: + of the potential ne figure. 9 V VE E 6 V d +

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Q: Determine the range of weights W for which the 99-lb block is in equilibrium. All wheels and pulleys…

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Q: The closed loop shown in the figure below carries a current 4 A in the clockwise direction. The loop…

A: The magnetic field at a point on the axis of a straight current carrying conductor is zero because…

Q: What is the strength of the electric field in a region where the electric potential is constant? а.…

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Q: :A positive point charge is moving to the left. What would be the direction of the magnetic field…

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Q: Concrete blocks are being carried upward by a mechanical lifting device but suddenly one of the…

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Q: A cylindrical tank has a tight-fitting piston that allows the volume of the tank to be changed. The…

A: Given : V1 = 0.110 m3 P1 = 0.355 atm V2 = 0.390 m3

Q: Part A A21-k resistor is in series with a 46-mH inductor and an ac source. Calculate the impedance…

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Q: directly upward and returns to the same level 8.5 s later. (a) How high above its original point did…

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Q: Q/ when the bridge circuit below have.. Calculate the equivalent resistance 25.0 N 30.0 2 10.0 2 25…

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Q: Q5/ Discuss the following, in detail 1. The four laws of thermodynamics 2. Macroscopic forms of…

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Q: The figure below shows an 8.00 kg stone resting on a spring. (The stone is not attached to the…

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Q: Suppose that, for the graph shown below, each division on the time scale represents 2.00 10-3 s and…

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Q: Two equal charges (+Q & -Q), and +q, are placed at the vertices of an equilateral triangle as shown…

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Q: If the coefficient of kinetic friction between tires and dry pavement is 1.0, what is the shortest…

A: Determine the acceleration of the automobile.