5. A barge is pulled by two tugboats. If the resultant of the forces exerted by the tugboats is 5000 lb directed along the axis of the barge, determine the tension in each of the ropes for a 65° 30

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: Astronomers discover a planet orbiting around a star similar to our sun that is 20 lightyears away. ...

A: The distance to the planet for an observer on earth is 20 light years. For the entire round trip the...

Q: Suppose you have an observable N with three eigenvalues 4, 8, and -1, with orthonormal eigenvectors ...

A:

Q: A beach ball is thrown straight up and sometime later it lands on the sand. Is the magnitude of the ...

A: In this case the net force on the ball is greater when it is going up. This can be explained in the ...

Q: 5) A car traveling 25 m/s is 110 m behind a truck that is traveling 20 m/s. (a) Determine how long w...

A:

Q: A hydrogen atom in an excited state emits a photon of wavelength 95 nm. What are the initial and fi n...

A: Given A hydrogen atom in an excited state emits a photon of wavelength 95 nm. What are the initial a...

Q: A falling brick has a mass of 1.5 kg and is moving straight downward with a speed of 5.0 m/s. A 1.5 ...

A: Given: The mass of the brick m = 1.5 kg. The downward speed of the brick v = 5 m/s. The mass of the...

Q: What are the the main objectives and purposes of e/m electron experiment?

A: The main objectives and purposes of e/m electron experiment are explained as below,

Q: The figure below shows two luminous rays, 1 and 2, which are initially in phase and reflected on sev...

A: Solution: a) The distance traveled by the ray 1 is L1 = 5 d The distance traveled by the ray 2 is L2...

Q: A block of mass m and a block of mass 3m are used to sandwich a massless spring with spring constant...

A: Given masses of blocks are  m and 3m Let vm is the velocity of mass m and v3m is the velocity of mas...

Q: A furnace has walls of temperature 1600°C. What is the wavelength of maximum intensity emitted when ...

A: Given: The temperature of the furnace walls T = 1600 oC.

Q: 5. Self energy of a sphere of radius R and Charge Q is[After you have assembled a charge in a sphere...

A: consider a shell of thickness dr dq=ρdV=ρ4πr2dr    

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

A: yes it make sense. suppose there are two vectors say A and B. if one vector is the negative vector o...

Q: A 1.0 kg stone and a 10.0 kg stone are released from rest at the sameheight above the ground. Ignore...

A: The air resistance on a free-falling object is dependent on the object’s speed. If that is to be ign...

Q: Two isobars that have their Z and N values interchanged are called mirror isobars. (a) Which of the ...

A: Part (a): The magnesium isotope has Z > N, which is generally not favorable to stability. On the ...

Q: You are standing on a large sheet of frictionless ice and holdinga large rock. In order to get off t...

A: The velocity of rock relative to earth vr = 12 m/s. The angle of velocity to the horizontal θ = 35o....

Q: -Since the surface tension of water is 72.62 dyne/cm at 20°C How high will the water rise in a capil...

A:

Q: Calculate the force and potential energy of interaction between two He atoms separated by 4 Å in ai...

A: Solution:   Given Values,   Distance seperation (r) =4 A0 =4×10-10  mPolarizability (α)=0.2×10-30 m3...

Q: A ball is hanging from a long string that is tied to the ceiling of a train car traveling eastward o...

A: The train is moving with uniform velocity with respect to the ground. The rate of change of velocity...

Q: Question in the attachment below

A: Given: The number of turns in the coil are 32. The radius of the coil is 7.81 cm. The mass of the ob...

Q: Please answer Parts A,B and C of the following question. Thank you

A: (a) When the particle is in the air, it must possess kinetic energy and potential energy. The veloci...

Q: 9. A 50-cm-tall dog stands 3 m from a plane mirror and looks at its image. What is the image positio...

A: Given: The height of the object h = 50 cm. The distance of the object from the mirror u = 3 m.

Q: Please answers parts A and B. Please show all work and highlight your answer. Thank you in advanced!

A:

Q: A 50-kg uniform plank rests on rough supports at The coefficient of friction A and B as shown in Fig...

A:

Q: You push your physics book 1.50 m along a horizontal tabletopwith a horizontal push of 2.40 N while ...

A:

Q: Please give detailed explanation , need it a little urgently, thanks!

A: Frequency of the string f=12LTμf=12LTρπr2LL=12LrTρπ=1LDTρπ

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

A: Technetium-99m is produced from the synthetic substance molybdenum-99 which is a by product of nucle...

Q: Suppose you have an observable N with three eigenvalues 4, 8, and -1, with orthonormal eigenvectors ...

A: Expectation value of the given observable Ω=<ψΩψ>=c1*<1+c2*<2+c3*<3Ωc11>+c22>+c...

Q: a. A patient's chest is exposed to X-rays, and the X-rays passing through the patient are recorded o...

A: The wavelength of X-rays used for chest radiology is 0.5 A°. Then the energy of the X-ray photon is ...

Q: A jet lands on an aircraft at a speed of 175m/hr. (175m/hr. = 78.23m/s). What is jets acceleration i...

A: The magnitude of the acceleration is given by

Q: Calculate the distance from which a person with good vision can see the whites of another person’s e...

A: To find the distance at which a person with good vision can see the whites of another person's eye, ...

Q: a) Consider the forces between the charge O and the dipole. If the dipole is free to rotate: Would t...

A: a.  Considering that charge Q is positive, the negative part of the dipole would be attracted and th...

Q: The person whose leg kicks his leg by exerting a 2000-N force with his upper leg muscle. The effecti...

A: (a) The expression for angular acceleration is τ=Iα Here, I is the moment of inertia. The torque can...

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

A:

Q: Starting at t = 0 a net external force in the +x-direction is applied to an object that has mass 2.0...

A: The straight-line equation of Force v/s time with slope 3.00 N/s graph is given as, but the force i...

Q: Explain briefly the existence of surface tension at the boundary of biological fluids.

A: Answer: From a physical point of view, The surface tension is defined as the force per unit length o...

Q: A plastic bowl is floating in a sink full of water. Which of the following describes the microscopic...

A: Plastic bowl is floating due to the push by the surface of water on surface of the bowl. Thus the fo...

Q: Find the radii of the 238U and 4He nuclei and then determine the ratio of those radii.

A: The radii of the elements are, RU=RoAU13RU=1.2 fm23813RU=7.44 fmRHe=RoAHe13RHe=1.2 fm413RHe=1.90 fm

Q: Use Newton’s Law of Cooling, T = C + (T0 - C)ekt,A frozen steak initially has a temperature of 24°F....

A: Given information: The initial temperature, T0=24 °F The temperature of steak when it is left to tha...

Q: The spectral lines of various elements are detected in light from a galaxy in the constellation Ursa...

A: The equation for red shift is, λobs=λ1-vc

Q: Doubling the frequency of a wave in the range of 25 Hz to 3 kHz represents what change in the maximu...

A:

Q: question in the picture

A: Since the ball is rolling we can neglect friction.  let m be the mass of the ball. N is the normal f...

Q: Please explain it short and easy to understand The picture is what an experiment look like. It is al...

A: Solution: The experiment looks like the projectile motion of a cannonball. The drag force is also in...