A surveyor’s 30.0 m steel tape is correct at 20.0°C. The distancebetween two points, as measured by this tape on a day when itstemperature is 5.00°C, is 25.970 m. What is the true distance betweenthe points?

Q: Two point charges attract each other with an electric force of magnitude F. If one of the charges is...

A: The electric force between two charges q1 and q2 at distance r is given by Where k = Coulomb consta...

Q: telecommunications

A: The given electron density for the F layer isN=4×1012 m-3The wavelength of the incident signal is 3 ...

Q: In 2005 astronomers announced the discovery of a large black hole in the galaxy Markarian 766 having...

A: Part (a) Given: The time period of clumps is T=27 h. The speed of clumps is v=30000 km/s. The form...

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A: We know the formula, sin2 θ=λ24a2(h2+k2+l2) 

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A: Answer:   As per the given statement,    

Q: A CD with a diameter of 12.0 cm starts from rest and with a constant angular acceleration of 1.0 rad...

A: The value of the angular velocity of the CD given as  ω=5 rad s-1 As the angular velocity in terms o...

Q: A photon of green light has a wavelength of 520 nm. Find the photon’s frequency, magnitude of moment...

A: Green light photon wavelength, λ=520 nm=520×10-9 m c=vλc=speed of light in air=3×108 m/sv=frequency ...

Q: Identify if the work done by the electric force is + or – in the figures below. Then determine if th...

A: NOTE: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question...

Q: For its size, the commonflea is one of the most accomplished jumpers in the animal world.A 2.0-mm-lo...

A: Given: The height which can be achieved by person is h=60 cm. The mass of person is m=65 kg. The f...

Q: Q5) In a charge-free region for which o=0, ɛ= ɛ,ɛo and µ=µo H = 5cos ( 1011t – 4y)a, A/m, Find J.

A: Given that, In a charge-free region for which σ=0,ε=εrε0and μ=μ0whereas, H=5Cos1011t-4yaz^ A/m∇×H=ij...

Q: You kick a ball on the ground, with an aim to hit a wall at height h above the ground. The initial v...

A: Given that a ball is kicked with initial velocity v=200 m/s and at an angle 30° to a wall that is 15...

Q: A 4.00 kg silver ingot is taken from a furnace at 750.0°C andplaced on a large block of ice at 0.0°C...

A: Given: The mass of silver ingot is ms=4.00 kg. The initial temperature of ingot is Ti=750.0∘C. The ...

Q: An object is moving along the x-axis. At t = 0 it has velocity v0x = 20.0 m/s. Starting at time t = ...

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Q: diodes are on or off? explain why?

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Q: Suppose you catch a baseball and then someone invites you to catch a bowling ball with either the sa...

A: Momentum The momentum of an object is a physical quantity that is given by the product of mass and t...

Q: 2. An infinitely long coaxial cable has an inner and an outer conductor of radii "a" and "b" respect...

A:

Q: Q: 1) Three point charges of -2x10°, -1×10° and 3x10° C are located at (0,0,0), (1,0,0) and (0,1,0),...

A:

Q: A 2.0 kg cat (not shown) is on the outer radius (R2) of a ring that can rotate about its center like...

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Q: 7. Consider a long straight wire with diameter of 2 mm carrying a current of 1 amp. Assume that the ...

A: The magnetic field strength:B=μ0Ir2πR2where, B is the magnetic fieldμ0=4π×10-7 T·m/AI is the current...

Q: The dark saturation current of a solar cell is 1.7E-8 A/m², the cell temperature is 323 K, the short...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: Two radio antennas A and B radiate in phase. Antenna B is 120 m to the right of antenna A. Consider ...

A: Given data r1=40 mr2=120+40 m=160 m

Q: N:43) Two boys, Matthew and Joseph are 10 year old twins. Matthew takes a trip into outer space in a...

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Q: help

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Q: How many moles are in a 1.00 kg bottle of water? How manymolecules? The molar mass of water is 18.0 ...

A: Given data: The mass of the bottle is m=1.00 kg. The molar mass of the water is M=18.0 g/mol. The ...

Q: Rank these from largest to smallest.

A:

Q: 5. Which of the following is an intensive property of a thermodynamic system? (a) Volume (b) Tempera...

A: Intensive properties in thermodynamics: which do not depend on the size or amount of material in the...

Q: In the figure represents the homogeneous electric charge density on the bar whose thickness is negle...

A:

Q: A wheel with a radius of 0.4 meters initially at rest and begins to accelerate at 4 rad/s2. What wou...

A: Given :  A wheel at rest begins to accelerate at 4 rad/s2 .    Idea behind :  The linear velocity wi...

Q: Calculate the frequency, energy (in keV), and wavelength of the Ka x ray for the elements (a) calciu...

A: Part (a) Given: The atomic number of calcium is Z=20. The formula to calculate the frequency of Kα...

Q: You are travelling at the same speed as the car in front of you when the car in front brakessuddenly...

A: Given data: Both the cars traveling at the same initial speed, Both the cars having the same acceler...

Q: You use 0.124 nm x-ray photons in a Compton-scattering experiment. (a) At what angle is the waveleng...

A: Part (a) Given: The wavelength of x-ray photons is λ=0.124 nm. The difference in wavelength of scat...

Q: Question 9: What is the value of the constants A, B and C if the mathematical expression that define...

A: Travelling wave equation  yx = A cosBx+C

Q: E24) Twowiresaretiedtoa1.97kgmassasshown.ThemassrevolvesinahorizontalcircleataconstantspeedneartheEa...

A: From the given angles of the wires, we can compute the angle made by wires with the horizontal axis....

Q: A2.2)

A: The capacitance of the capacitors is given as, C1 = 8 μF C2 = 6 μF C3 = 2 μF C4 = 8 μF The potential...

Q: A man riding in a hot air balloon will release food items to stranded families in an island 250 mete...

A: Option(d) is correct that is 31.5m/s

Q: A boy wishes to throw a ball over a flat-roofed school house that stands 12 m wide and 7.5 m high on...

A: Given: Width of school house is 12m. Height is 7.5m. Height from the ground where the ball leaves th...

Q: Two cylinders having 75 kg and 20 kg mass are connected with a cable and held in equilibrium on smoo...

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Q: A 100MW hydro-electric station is supplying full The water is supplied from a reservoir of 1km2 s re...

A: Given : η = 0.80 h = 200 mtrρ = 100 × 106  watt Hydroelectric power is given by P =ηρQghwhere   η - ...

Q: A diver observes a bubble of air rising from the bottom of a lake (where the absolute pressure is 3....

A: Given data P1=3.5 atmP2=1 atmT1=4°cT2=23°c

Q: Five moles of monatomic ideal gas have initial pressure2.50 * 10^3 Pa and initial volume 2.10 m3. Wh...

A: Given data:n=5Monoatomic: γ=1.67P1=2.5×103 PaV1=2.10 m3W=1480 JAs the process is adiabatic:P1V1γ=P2V...

Q: A 1-kg ball moving at a velocity of 12 m/s collides head-on with a 2-kg ball moving at24 m/s in the ...

A: Part (a) Given: The mass of first ball is m1=1 kg. The initial velocity of first ball is u1=12 m/s....

Q: An inductor with an inductance of 2.50 H and a resistance of8.00  is connected to the terminals of ...

A: Given data L=2.5 HR=8Ωε=6 Vi=0.5 A

Q: Shows a two-slit interference experiment in which the slits are 0.200 mm apart and the screen is 1.0...

A: We use the formula for the position of maxima in a double-slit experiment and calculate the waveleng...

Q: An object is projected with initial speed v0 from the edge ofthe roof of a building that has height ...

A: Given data:initial speed v0height Hangle a0= -90Horizontal motion:v0=v0cosa0

Q: az

A: The velocity of car A is, v→A=vAcos(Θ)i + sin(Θ) j   v→A=56cos(Θ)i + sin(Θ) j   km/h           (1) w...

Q: Please help me with number 23

A: Height of the Object = AB= ho = ? Height of the image= A'B'= hi = 5.8 feet Image distance, PB' =v = ...

Q: I need your help I need it today please answer 3&4 please I do have enough entry to send again s...

A: (3) Given: n1=1.54 n2=1.36 Angle of incidence(i)=40°

Q: A red- 633 nm laser is incident upon a diffraction grating with 30.0 lines per centimeter. The light...

A: Given: Number of lines: 30 lines per cm The distance between the grating and the screen: D=2.80 m Th...

Q: A hypothetical atom has energy levels at 0.00 eV, 2.00 eV, and 5.00 eV. If the atom starts in the 5....

A: Concept used: An atom emits a photon of energy equal to energy difference of two levels.

Q: An electromagnetic wave with frequency 5.70 * 10^14 Hz propagateswith a speed of 2.17 * 10^8 m/s in ...

A: Given The frequency of the electromagnetic wave is (f) = 5.70×1014  Hz The speed of light in glass (...