A thermometer using Hg  measures temperature because ... Pick all the answers that are appropriate.     Mercury is liquid and expands its volume as it is heated     Mercury is squeezed into a narrow column     The expansion coefficient of glass is small compared to that of mercury     The thermometer can be calibrated at the freezing and boiling temperatures of water

Q: What is effect of pressure on viscosity?

A: Viscosity is normally independent of pressure, but liquids under extreme pressure often experience a...

Q: A particle diagram that shows all forces acting upon an object and has a coordinate system is called...

A: The free-body diagram of a particle is the diagram that is isolated from the surroundings and shows ...

Q: The maximum distance between the transmitting and receiving TV towers is 65 km. If the ratio of the ...

A: Given : The maximum distance between the transmitting and receiving TV towers dmax= 65 km The ratio ...

Q: Three capacitors are arranged as shown, if C₁ is a parallel plate capacitor d = 2 mm and cross-secti...

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Q: Three charged spheres are at the positions shown in the figure. (a) Find the net electrostatic force...

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Q: Group Problem 14.2.1 A15-lb block B starts from rest and slides on the 25-lb wedge A, which is suppo...

A: Step 1 Taking the wedge B and block A as a single system. Draw the velocity diagram for the both th...

Q: A particle is moving in the xy plane starting from the origin with an initial velocity in x of 15 me...

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Q: A current of 3.60 A flows through an automobile headlight. How many coulombs of charge flow through ...

A: Given data:  Current (I) = 3.60 A Time (t) = 2.60 hrs Required: Charge (q) 

Q: Two square parallel plates with a separation of d = 1.5 mm are charged up with charges of equal magn...

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Q: Two capacitors, C1 = 16.0 µF and C2 = 45.0 µF, are connected in series, and a 6.0-V battery is conne...

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Q: For her electronics class, Gabriella configures a circuit as shown in the figure. Find the following...

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Q: A car has a initial velocity of 30 m/s and it travel a distance 130 m and stop. Find the acceleratio...

A: Given initial velocity u = 30 m/s final velocity V = 0 m/s distance to cover s = 130 m  using equati...

Q: A projectile being launched at a velocity of 1.0 km s-1 at an angle of 30° to the horizontal. Determ...

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Q: The values of the components in a simple series RC circuit containing a switch (see figure below) ar...

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Q: When one object pushes on another object, the pushed object exerts an equal force in the same direct...

A: Given that:- The statement is given in the question.

Q: . One isotope of oxygen has the atomic number 8 and the mass number 18. An atom of this isotope cont...

A: We know Isotopes have same atomic number (protons number ) but deferent mass number given oxygen has...

Q: When two objects interact by exerting forces on each other, the forces are said to be a(n) pair.

A: Given that:- Two objects interact by exerting forces on each other.

Q: 6. Newtons Laws a. Write Newton's First law.. b. Write Newton's Second law. c. Write Newtons Third l...

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Q: copper transmission cable 120 km long and 10.5 cm in diameter carries a current of 125 A. Resistivi...

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Q: Your friend reasons that magenta and yellow paint mixed together will produce red because magenta is...

A: Your friend reasons that magenta and yellow paint mixed together will produce red because magenta is...

Q: You are in lab class, recording your observations. Your lab partner brings a negatively charged met...

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Q: 1)If after the lightning is seen , alighthingom the man ? (Speed of sound in thunder js heard by a m...

A: Speed of sound in air = 445 m/s Time = 6 sec Distance = ? We know formula of speed,  Speed = (distan...

Q: The circuit in the figure below has been connected for a long time. Let R, = 7.00 0 and R, = 4.60 n....

A: Here is given things 

Q: A 2.00-nF capacitor with an initial charge of 5.57 uC is discharged through a 2.97-kn resistor. (a) ...

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Q: For an Ohmic device, the resistance changes as the current through the device increases or decreases...

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Q: The emf devices and lightbulbs in the figure below are identical. The terminal potential of the emf ...

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Q: Four small spheres are arranged in a square joint by four rods with infinitely small mass. If each o...

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Q: (II) Find the tension in the two cords shown in Fig. 9-45. Neglect the mass of the cords, and assume...

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Q: The linear non-uniform charge distribution given by lamda = bx, where b is a constant, lies along th...

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Q: Part A You want to build a generator for a multi-day canoe trip. You have a fairly large permanent m...

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Q: A grandfather clock is controlled by a swinging brass pendulum that is 1.6 m long at a temperature o...

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Q: The force on two positive charges of magnitude 9nC and 17nC is 220N. What is the distance between th...

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Q: What does the lines indicate in the electric field? Which field is stronger? Why? Peint charge

A: To state: What does the lines indicate in the electric field? Which field is stronger? Why?

Q: What is the frequency of light that allows an electron to be liberated from a metal that has a work ...

A: Work function of a metal = 4.136 eV We have to find the frequency of light that allows an electron t...

Q: {15}1. Each of the following free body diagrams represents a different problem. Solve for the missin...

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Q: Two vectors are given by a = 9.7î + 4.6) and B = 9.21 + 9.5). Find (a) a x (b) a - B.()( 7 + ).. %3D...

A: As per our company guidelines we are supposed to answer ?️only first 3 sub-parts. Kindly repost othe...

Q: A charged line extends from y = 2.50cm to y = -2.50cm. The total charge distributed uniformly along ...

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Q: The resistance of a wire is 20 Ω. What will be new resistance, if it is stretched uniformly 8 times ...

A: Answer:-  Given  Resistance (R) = 20 ohm  We know that  The Resistance of a wire (R) = p l/A  if it ...

Q: For each of the following temperatures, find the equivalent temperature on the indicated scale. (a) ...

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Q: If a single person in the stands of a stadium shouts, the sound intensity level at the centre of the...

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Q: A stone is catapulted at timet 0, with an initial velocity of magnitude 20.6 m/s and at an angle of ...

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Q: Straight wooden stick has mass M=0.40kg, Length L=1.2m, uniform cross-section A=18cm2, and constant ...

A: GivenM=0.4 kgL=1.2 mA=18 cm2=18×10-4 m2Andm=0.2 kgDensity of water, ρw=1010 kg/m3

Q: What are the four categories that define the techniques used to improve or eliminate a Physical Cont...

A: A physical contradiction is a conflict between two mutually exclusive physical requirements to the s...

Q: What is the momentum of a car with mass of 1,300 km traveling north at a speed of 28 m/s?

A: Given data: The mass of the car is m=1300 kg. The speed of car is v=28 m/s.

Q: A projectile being launched at a velocity of 1.0 km s-1 at an angle of 30° to the horizontal. Determ...

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Q: A 4.5 C charge requires an 8.0 J to move it from point X to Y, where the potential difference is 1.5...

A: The electric potential energy is given by UE = q×V, where q = the charge of the particle V = electri...

Q: 7.39 A block with mass 0.50 kg is forced against a horizontal spring of negligible mass, compressing...

A: First we need to find work done due to friction 

Q: Accuracy of the experiment is given by which error calculation, percent error or percent difference?

A: Error : In Physics, an error is defined as the difference between the actual value and the calculate...

Q: A 45.0°

A: Free body diagram of the given system,

Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.