An exothermic reaction involves an increase in entropy. True False

Q: Bx By Fm Ө dm Elbow dw W

A: The weight in the hand is 180 N. The distance of the action of the weight from the end is 36 cm. The…

Q: Consider the circuit shown in the figure, with C₁ = 5.42 µF and C₂ = 7.84 μF. 6.00 µF $1 2.00 pF C₂…

A: Given:-  The circuit with the capacitance is given as  C1= 5.42 μF C2= 7.84 μFC3= 6.0 μfC4= 2.0 μF…

Q: At what distance from the center of Earth is the center of mass of the Earth-Moon system? Suppose…

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Q: What is the advantage of a first-class lever? O A. multiplying the effect of the effort force B.…

A: first-class lever: The first-class lever is a type of lever where the fulcrum is located between the…

Q: TEXT ANSWER Demetri used 429 J of heat to raise the temperature of 16.7 g of an unknown material by…

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Q: 4. Calculate the work done in moving a satellite from the surface of the earth to 200 miles out in…

A: Mass of satellite m2  = 5 ton Distance x = 200 miles

Q: When a large star becomes a supernova, its core may be compressed so tightly that it becomes a…

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Q: A 2.0- cm- diameter parallel-plate capacitor with a spacing of 0.50mm is changed the 200 V What is…

A: Given data The diameter of the parallel plate capacitor is given as D = 2 cm. The spacing between…

Q: At time t = 0 a particle starts moving along a line with equation of motion s(t) = t^3−4t^2+ 6,…

A: Given Data: Position s(t) = t3-4t2+6. To Determine: (a). The velocity and the acceleration…

Q: 6. *Electric field lines are diverging from each other in a region of space, as shown in the diagram…

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Q: Two parallel, charged plates, both of length L-1 mm create an electric field between them as shown…

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Q: A proton moves 10.0 cm on a path parallel to the direction of a uniform electric field of strength…

A: Given: The strength of the electric field is 3 N/C. The distance traveled by the proton in the…

Q: For the circuit shown below Vs = 20V and Rint 300 2, what value of the load resistor, RL (to the…

A: o find the value of the load resistor RL that will result in maximum power transfer, we need to use…

Q: A battery has emf 30.0 V and internal resistance r. A 9.00 resistor is connected to the terminals of…

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Q: (a) Calculate the electric potential a distance, d = 1.45 m, from a Q = 30 μC point charge. Vd =…

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Q: This 10uF capacitor has a working voltage (rating) of 40V. What is the maximum voltage to the…

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Q: Find the equivalent resistance between points A and B in the drawing. Assume R₁ = 26 0, R₂ = 130, R3…

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Q: 2. You want to use a +12 cm focal length lens as a x6 magnifier. How high above the object should…

A: 2) Write the expression for the magnification and susbtitute the corresponding values.…

Q: How much more quickly does anything move when measured in nanoseconds as opposed to milliseconds?

A: Measuring the motion of an object with greater precision in smaller units of time can help provide…

Q: A crate of mass m1 slides down a well-lubricated hill of height h, with negligible friction. At the…

A: Given Data: Mass 1 (m1) = 2.4 kg.Mass 2 (m2) = 2.6 kg.Compression in spring (d) = 0.35 m.Spring…

Q: Is it possible for an object to be at zero velocity when its acceleration is not zero? Explain with…

A: As acceleration is defined as the rate of change of velocity with respect to time  so The…

Q: The electric field of a dipole is shown below. If Q1 = 1221 = 80 µC and the charges are d = 4.80 cm…

A: The electric dipole moment is a measure of the strength of an electric dipole and is defined as the…

Q: Select all of the correct answers below. In other words, more than one answer may be correct. Which…

A: We have to find which of the given statement are correct.

Q: = A curve that has a radius of 95 m is banked at an angle of 0 10.0°. If a 1050 kg car navigates the…

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Q: A flea jumps by exerting a force of 1.12 x 105 N straight down on the ground. A breeze blowing on…

A: Vector addition: If we add two vectors (A→ & B→) making an angle θ= 900 tail to tail then the…

Q: crate of mass m1 slides down a well-lubricated hill of height h, with negligible friction. At the…

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Q: 113 (6) Suppose we attach our 200 lb bucket of rocks to a 50 ft chain which weighs 1.8 lbs/t and is…

A: Only the first one will be answered. Given: Mass of rocks M= 200lb Length of chain l = 50 ft Mass of…

Q: 3. The electric field everywhere on the surface of a thin, spherical shell of radius 0.780 m is…

A: Given: Spherical shell radius r = 0.78 m Electric field E = 880 N / C

Q: The two forces F₁ and F2 shown in (Figure 1) act on a 27.0-kg object on a frictionless tabletop.…

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Q: book (m = 3.50 kg) is at rest on a table. Maria pushes down on the book with a 10.0 N force. If the…

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Q: the variables were kind of confusing me, how did you find your displacement

A: For applying  equation of motions we need ywo points thta is final and initial point .

Q: The electric field 1.5 cm from an unknown charge has a strength of 408 N/C and points toward the…

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Q: In terms of the scale of magnitude, what is the difference between something that operates in…

A: An exponential change of plus or minus 1 in the value of a quantity or unit is defined as an order…

Q: A 50x oil-immersion objective is marked NA 1.2. It uses oil that has an index of refraction of 1.50.…

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Q: 73 Figure P2.73 shows a power cycle executed by a gas in a piston-cylinder assembly. For process…

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Q: Water enters a 4 cm diameter pipe at a pressure of 210 kPa and a velocity of 4 m/s. The pipe…

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Q: A Blu-ray Player draws a current of 159 mA at 120 V. How much power (in W) does the device require?…

A: Given data: The current is, I=159 mA=159×10-3 A  The voltage is, V=120 V

Q: A conducting spherical shell with inner radius a and outer radius b has a positive point charge…

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Q: (a) Determine the Cartesian coordinates of these points. (2.60 m, 40.0°) X= y= (4.10 m, 110.0°) y=…

A: Given value--- Two points in a plane have polar coordinates (2.6m, 40 deg) and (4.1m, 110 deg). We…

Q: Consider the mass spectrometer shown schematically in the figure below. The magnitude of the…

A: Given data: Electric field, E = 2.2 x 103 V/m Magnetic feild, B = 0.03 T Mass, m = 1.86 x 10-26 kg

Q: A car drives around a circular track of diameter 128 m at a constant speed of 34.6 m/s. During the…

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Q: A brick of mass 4 kg hangs from the end of a spring. When the brick is at rest, the spring is…

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Q: The current in a 42-22 resistor is 0.16 A. This resistor is in series with a 28-2 resistor, and the…

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Q: A block of mass 0.50 kg moves along a straight line and is acted upon by a net force of F(x) =…

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Q: A circuit consisting of three ideal batteries with voltages 81. 82, and 83, and three ideal…

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Q: A golf ball is struck at ground level. The speed of the golf ball as a function of the time is shown…

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Q: aluminum wire having a cross-sectional area equal ire. mm/s The density of aluminum Assume each…

A: I=4.5 AA=5.3×10-6  m2andρ=2.7 g/cm3=2700 kg/m3i.e. As 1 mole of aluminium has 26.982 gm then in 1…

Q: Three point charges: 9₁, 92 and q3 are arranged on a line. Charge q3= +5.00nC and is at the origin.…

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Q: 1. Consider a light ray that transitions from a material with a higher index of refraction to a…

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Q: The figure below shows a box of mass m₂ = 1.0 kg on a fric- less plane inclined at angle = 30°. It…

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