How do you account for the fact that solids and liquids generally expand when heated?

Q: 027 When 115 V is applied across a wire that is 10 m long and has a 0.30 mm radius, the magnitude of...

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Q: A bag of cement weighing 325N hangs in equilibrium from three wires as suggested in Figure below. Tw...

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Q: There are two charges Q1 = -5C and Q2 =-8C placed 20 cm apart. Find out how much force they have. If...

A: Use the formula of force between two charges. 

Q: Part A Blue light of wavelength 460 nm passes through an interference grating with a slit spacing of...

A: Interference of Light: Interference of Light is a phenomenon in which the multiple light waves inter...

Q: In one to two sentences, explain why metal is often used for making wire and the properties that mak...

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Q: Consider the following scenario: A block (mass, m) is attached to a string (length, ) and rotates in...

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Q: A cr IS constructed one inductor, one battery and a switch as shown. The values for the resistors ar...

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Q: ZA A B There are two infinite sheets A and B in the figure above. The charge density of sheet A is, ...

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Q: A 10 kg cat climbs a tree to a height of 8.2 meters. What is the gravitational potential energy of t...

A: Mass (m) = 10 kg Height (h) = 8.2 m Gravity (g ) = 9.80 m/s2 .........(constant)

Q: A plane departs from Toronto and heads to Ottawa travelling at 529.9 km/h [N33.67°E, relative to the...

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Q: A playground is on the flat roof of a city school, 6.00m above the street below. The vertical wall o...

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Q: Select all true statements. The detonation pressure ... 1-is the pressure of the wave propagating t...

A: All the given statements are true. Hence, the answer is 

Q: . Rubber is a non-conducting material that is why it cannot easily conduct heat and electricity. Whi...

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Q: 8. The Samsung Galaxy S5 has Li-ion 5.0-V battery and almost takes up about 2.25-W, how many electro...

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: What is the electric charge of 0.44 of a mole (NA = 6.023 × 1023) of alpha particles (ionized helium...

A: IN THE QUESTION IT IS GIVEN THAT THERE IS 0.44 MOLES OF He2+ IONS WE KNOW THAT IN 1 MOLE OF He2+ IO...

Q: Explain whether the Bernoulli equation can be applied from point 1 to point 2 in the below situation...

A: Bernoulli's equation states that the increase in velocity of a fluid is compensated by a decrease in...

Q: The mass of gun being 50 kg. Then, the velocity of reco A bullet of mass 0.1 kg is fired with a spee...

A: Given  Mass of bullet  m = 0.1 kg  Speed of bullet  u = 100 m/s Mass of gun M = 50 kg To find  Veloc...

Q: The band gap of Germanium is 7.32@V at room temperature. Find the maximum wavelength of citation lig...

A: Given, The band gap of Germanium is 7.32eV at room temperature. h = 6.62×10-34 Jsc = 3×108 m/s1 eV =...

Q: You wish to convert the barometric pressure of 65 mmHg to different units. Which is the most accurat...

A: 1mmHg pressure = 0.13332 kPa

Q: Two very small spheres are initially neutral and sep 3.0 x 1013 electrons are removed from one spher...

A: GivenTwo very small sphere initially neutralDistance of seperation between them, r=0.5 mn=3.0×1013

Q: The maximum speed of a child on a swing is 4.90 m/s. The child’s height above the ground is 0.810 m ...

A: Given data as per question velocity of swing =4.90 m/s  Child’s height above the ground = 0.810 m  

Q: A block slides 42 m down a ramp that makes an angle of 60° with the ground. Determine the mass of th...

A: We have to use the formula W= F * s for this problem

Q: A 6.45 kg piece of zinc (Czinc = 0.387 J/g C) was initially at 15.0 C. It is heated with 3,680.0 J o...

A: Write the expression for the energy. Here, m represents the mass, Czinc represents the specific hea...

Q: A massive non-conducting sphere of radius R has a charge Q uniformly distributed in its volume. Usin...

A: A massive non-conducting sphere of radius R has a charge Q uniformly distributed in its volume.

Q: How would this lab change if you used a heavier object? A lighter object? Explain your rationale for...

A: We need to explain how acceleration due to gravity changes if we use heavier object than actual one ...

Q: Velocity of a particle changes from (3i + 4j) m/s to (6i + 5j) m/s is 2 s. Find magnitude and direct...

A: Initial velocity of the particle u=3i^+4j^ (m/s) and final velocity of the particle v=6i^+5j^ (m/s) ...

Q: In the figure below we have body A, with mass equal to 5 kg, at point P. Between point P and Q, the ...

A: Given that:m=5 kgμ=0.5 between P and Qθ=30°h1=2.0 md=4.0 mk=100 N/m

Q: In the figure, block 1 of mass m, slides from rest along a frictionless ramp from height h= 3.2 m an...

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Q: Vector A = 3.0î – 4.0k. (a) Construct a unit vector that 3 %3D is parallel to A. (b) Construct a uni...

A: Given,A→ = 3.0 i^ - 4.0 k^

Q: In a science demo Guy the science dude charged a sphere with a charge of -5.6e-6 Coulombs worth of e...

A: Given data:  Charge (q1) = -5.6×10-6 C Charge (q2) = +2×10-6 C Distance (r) = 0.1 m Required: The ma...

Q: 1. A particle decelerates uniformly at 3 m/s2 for 12 s and reached its destination at 24 m/s. a. Cal...

A: Ans 1: To calculate we have to use the formula v=u-ft , s=ut - (1/2) ft2.   

Q: Think It Through • How do intervals of constant acceleration appear on an acceleration-time graph? •...

A: 1. How do intervals of constant acceleration is represented on acceleration time graph. In an accele...

Q: A non-homogeneous bar is 50 cm long and its linear density is given by the function λ(x)=32 + 25x² ,...

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Q: 10. What force would E = 6.25 x 10^5 V/m exert on a piece of plastic with a 0.500 microcoulomb charg...

A: Given What force would E= 6.25*105 V/m would exert on a plastic with a 0.5 microcoulomb charge ?

Q: A soccer ball is kicked from the ground with an initial speed of 19.4 m/s at an upward angle of 49.4...

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Q: A student is watching a TV that is receiving a signal though an in-house dipole aerial. As the stude...

A: Given Velocity of the wave = 3x1053x105 km/sec The wavelength of the wave = 0.8 m We have to find ou...

Q: On a certain stretch of track, trains run at 80 mph. How far buck of a atopped train should a'warnin...

A: Speed of running train = 60 mph = 88 ft/s. Uniform rate of retardation of the train = 2 ft/s2 The wa...

Q: Modified true or false. Write True if the statement is true. If not, write false and change the unde...

A: 1. Electric energy is purchased in Kilowatts.  This statement is false.  It is because electric ener...

Q: A proton moves through a uniform magnetic field 2.0 µT at a speed of 5.00 x 106 m/s. (a) What is the...

A: Magnetic field (B) = 2 μT speed (v) = 5×106 ms  

Q: Much of Jupiter's atmosphere (between pressures of 1 and 10^-6 bars) is reasonably well approximated...

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Q: A pirate ship is able to launch a cannonball at 54.8 m/s [F30°UP]. If the target it wants to hit is ...

A: Given data: The speed of cannon ball is u=54.8 m/s. The height of cliff is h=25.8 m. The inclination...

Q: 5. The electric field at a distance of 0.35 m from a very long line charge is 1250 N/C. Calculate th...

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Q: The 500 N weight is supported by two cables, the cable forces being F, & F2. Knowing that the result...

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Q: The mass of gun being 50 kg. Then, the velocity of reco A bullet of mass 0.1 kg is fired with a spee...

A: Given: Mass of bullet mb=0.1 kg, Mass of gun mg=50 kg, Initial speed of bullet ub=0 m/s, Initial spe...

Q: Describe the electron states in materials and how electrons are transferred between them

A: Electron state in material is explained by its electron configuration and quantum state of each elec...

Q: According to the Ideal Gas Law, PV = kT, where P is pressure, V is volume, T is temperature (in kelv...

A: Given, Ideal gas law, PV = kT volume of the tank, V = 400 in3 pressure, P = 130 poundsin2 Temperatur...

Q: Part A (Figure 1) shows the fringes observed in a double-slit interference experiment when the two s...

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Q: A 7.75 mm high chocolate chip is placed on the axis of, and 13.9 cm from, a lens with a focal length...

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Q: Is the net flux through the Gaussian surface positive, negative, or zero?

A: Consider the electric field through the surface A is EA EA = k[(Q/rA+2 ) +(-Q/rA- 2 )] k= 1/(4πεo) h...

Q: Calculate the inductance of a loop centered in the origin of the x.y plane. This loop has a current ...

A: The magnetic field intensity of a loop of radius b and having current I running through it is given ...