A man weighing 73 N stands at the middle rung of a steel ladder uniformly weighing 43 kN/m. Assuming that the floor and wall are perfectly smooth and that slipping is prevented by cable CD, determine the following: A Tension in the cable B. Reaction at A and B

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Q: I am just looking for the solution of the theoritical part. I will take care of the portion that req...

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Q: A disoriented physics professor drives 3.25 km north, then 2.20 km west, and then 1.50 km south. Fin...

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Q: A 60.0 kg skier starts from rest at the top of a ski slope 65.0 m high. (a) If friction forces do -1...

A: Given information: The mass of the skier, m=60.0 kg The initial velocity of the skier, u=0 The heigh...

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Q: A 475 nm wavelength spectral line is actually a doublet, 0.0043 nm separation. (a) What is the small...

A: Given information: The wavelength of the spectral line, λ=475 nm=475×10-9 m The separation between t...

Q: Two pieces of clay collide and stick together. During the collision, which of these statements are t...

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Q: Through what potential difference must electrons be accelerated if they are to have (a) the same wav...

A: (a) Wavelength is, λ=h2meV2meV=hλ2V=12mehλ2V=129.1×10-31 kg1.60×10-19 C6.626×10-34 Js0.220×10-9 m2V=...

Q: Is the velocity of a point independent of the reference frame chosen to express the position of the ...

A: Introduction: In order to describe physical events that occur in space and time such as the motion o...

Q: please show all work

A: Given:     mass, m = 20 kg    distance travelled, S = 20 m

Q: A researcher measures the thickness of a layer of benzene (n = 1.50) floating on water by shining mo...

A: 2nbenzenet=m+12λ For minimum thickness, the order must be zero.that is , m=0

Q: 3. You are conducting a magnetic survey in Minnesota with a proton-precession magnetometer with a se...

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Q: Does it make sense to say that one vector is the negative of another? Why?

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Q: Starting from a pillar, you run 200 m east (the +x-direction) at an average speed of 5.0 m>s and ...

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Q: A right-angle triangle has a hypotenuse of length 3m, and one of its angles is 30°. What are the len...

A: Here,  Right angle triangle has a hypotenuse = 3m And 30° angle   

Q: A 75.0 kg painter climbs a ladder that is 2.75 m long and leans against a vertical wall. The ladder ...

A: Given: The Leaf area is  40 cm2 The Mass is 4.5 x 10-4kg The Leaf has an emissivity of 0.85 The Spec...

Q: A comet has a period of 98.5 years and moves in an elliptical orbit in which its perihelion (closest...

A: Given :       Period, P = 98.5 years         98.5 years ×365 days1 year ×24 hours1 day×60 min1 hour×...

Q: Inner coil, radius R2 with N2 turns measure voltage

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Q: Why does a 99mTc generator need to be shipped once a week to hospitals? (a) What is the activity of ...

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Q: In the second type of helium-ion microscope, a 1.2 MeV ion passing through a cell loses 0.2 MeV per ...

A: The energy loss is . Eloss=0.2 Mev/mm=0.2×106 eV/mm the final energy measured is 6 keV or 6000 eV.

Q: A box with mass m sits at the bottom of a long ramp thatis sloped upward at an angle a above the hor...

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Q: (a) The probability that a molecule in the atmosphere is at a height between z and z + dz above the ...

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want rem...

Q: Calculate the density and mass of the nuclide 56Fe in SI units.

A: Given: The density and mass of the nuclide 56Fe in SI units is calculated as below,

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Q: What’s the center of mass for each situation?

A: Solution:   The determination of center of mass is given below:

Q: A parallel beam of argon laser wavelength 488 nm, collimated by a diaphragm of 1 mm radius, is direc...

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Q: Calculate (a) the total binding energy and (b) the binding energy per nucleon of 12C. (c) What perce...

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Q: Fusion only occurs in the solar core. Assuming that 10% of the Sun’s total mass is available to part...

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Q: Based on the switch [p, x] = ħ/i, prove the validity of the following switches by assuming that the ...

A: Since you have posted question with multiple  sub-parts. We will solve first three sub-parts for you...

Q: A bathtub in the shape of a hemispherical bowl of diameter 6 feet is filled with water. How much wor...

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Q: What are the total angular momentum and the spectroscopic notation for the ground state of helium?

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Q: Calculate the ideal frequency to detect a surface defect using a Rayleigh wave.

A: Given: Speed is vs=3200m/sec Poisson's ratio is ν=0.29 distance d=20mm=20*10-3m  

Q: Ammonia (MWNH3 = 17; k = 1.32) weighing 22 kg is confined inside a cylinder equipped with a piston. ...

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Q: A person exposed to fast neutrons receives a radiation dose of 300 rem on part of his hand, affectin...

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Q: The Cosmo Clock 21 Ferris wheel in Yokohama, Japan, has adiameter of 100 m. Its name comes from its ...

A: The apparent weight at the lowest point is Q=ω-Fcf This can be expressed, Q=ω+mω2R=ω1+ω2Rg Here, T=6...

Q: The figure shows a car, of mass m = 1000 kg, traveling east with a speed v, = 24 km/h. At an interse...

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Q: A galaxy in the constellation Pisces is 5210 Mly from the earth. (a) Use the Hubble law to calculate...

A: Given A galaxy in the constellation Pisces is 5210 Mly from the earth. (a) Use the Hubble law to cal...