A cargo ship travels from the Atlantic Ocean (salt water) to Lake Ontario (freshwater) via the St. Lawrence River. The ship rides several centimeters lower in the water in Lake Ontario than it did in the ocean. Explain.

Q: 2. Two pointlike charges of Q, and Q2 are located at (0, 3m) and (4m, 0) as shown in the right figur...

A:

Q: Light rays from stars (including our Sun) always bend towardthe vertical direction as they pass thro...

A: (a) Refraction is defined as the change in direction or bending of the ray of light when it enters t...

Q: Calculate the minimum thickness needed for an antireflective coating (n=1.38) applied to a glass len...

A: For anti-reflecting coating partial differentiation, 2μt=2n+1λ2 For minimum thickness n=0 2μt=2×0+1λ...

Q: Under some circumstances, a star can collapse into an extremelydense object made mostly of neutrons ...

A: According to conservation of momentum principle,’ Iiωi=Ifωf Thus, 25MRi2ωi=25MRj2ωfRi2ωi=Rf2ωf  

Q: A glass windowpane with a thin film of water on it reflectsless than when it is perfectly dry. Why?

A: The thin film of water can act as a medium for interference of water. Interference can be constructi...

Q: please very soon full explanation

A: Given data: The radius of the spherical globular cluster is R=30 light years. The stars are about r...

Q: 3. Which method of adding vectors are subject to committing more mistakes? How and why? What are the...

A: Generally, there are two methods of vector addition, one is a graphical method and the other is an a...

Q: A pulley device is used to hurl projectiles from a ramp (mk = 0.26) as illustrated in the diagram. T...

A: As per guidelines, first three sub-parts have been answered. (a) Free body diagrams are drawn below.

Q: Advanced Physics Question

A: Given the two charges q1=5C, q2=14C a=6m=b Let's assume the position of two charges as A and B as sh...

Q: Determine the velocity of a satellite at perigee of a parabolic orbit if the altitude of perigee is ...

A: The perigee is the nearest position of the satellite from earth. In this case, the perigee is at the...

Q: The orbit of a certain asteroid around the sun has period 7.85 yand eccentricity 0.250. Find aphelio...

A: The expression for the Kepler’s third law of planetary motion can be written as T2=4π2GMa3          ...

Q: A hockey puck oscillates on a frictionless, horizontal trackwhile attached to a horizontal spring. T...

A: (a) Given: The mass of the puck is 0.150 kg. The force constant of the spring 8.0 Nm. The maximum sp...

Q: A 15.0 kg bucket of water is suspended by a very lightrope wrapped around a solid uniform cylinder 0...

A: The net force acting in the vertical direction will be, ∑F=mg-T=maT=mg-a Consider the cylinder as a ...

Q: The charge density of the electron cloud of the hydrogen atom is -4-2r/a Pe(r) = (1) with q > 0 the ...

A: Evaluate the dependence of the enclosed charge (Qenc) within a spherical volume (τ) of a radius (d) ...

Q: 1. Consider a two-dimensional crystal with rectangular shape, dimensions 10 um x 1 um, lattice spaci...

A:

Q: 2. Explain the environmental impacts due to the usage Conventional Energy Resources. Examine whether...

A: The conventional energy resources are fossil fuel, natural gas, and coal. All these energy resources...

Q: Explain the answer please

A: Energy quanta means quantum of energy required. Generally in case of grandfather clock energy is not...

Q: A sinusoidal electromagnetic wave emitted by a mobile phone has a wavelength of 35.4 cm and an elect...

A: Given: The intensity of the overhead arc lamp is (I)= 2500 Wm2 The velocity of light is, c = 3×108 m...

Q: Integrated Concepts - The axis of Earth makes a 23.5° angle with a direction perpendicular to the pl...

A: Given Angle with a direction perpendicular to the plane of Earth’s orbit = 23.5° This axis processes...

Q: For the first part of the problem I got the velocity to be 3.77m/s which I think is correct. The sec...

A: Using conservation of energy at points a and b Kf+Uf=Ki+Ui12mvb2+mghf=12mva2+mghi12mvb2+mgl1-cosθb=1...

Q: Consider the current-carrying wire shown in the figure. The current creates a magnetic field at the ...

A: According to Biot-Savart law, the magnetic field due to the current-carrying segment is given by Wh...

Q: 1. Two pointlike charges of Q, and Q3 are located at (0, 0.15m) and (0.30m, 0) as shown in the right...

A: Given Q1 = +1 μCQ3 =-3 μCQ2 =- 1 μC  r1  =0.15 m  r3=0.30 m  

Q: In the series circuit of Fig, suppose R = 300 Ω, L = 60 mH, C = 0.50 µF, V = 50 V, and v = 10,000 ra...

A: Given: The resistance of the circuit R = 300 Ω. The inductance of the circuit L = 60 mH. The capaci...

Q: AC power supply v) = Vosin(wt) with amplitude v and angular frequency w is connected to both ends of...

A: (a) The capacitance of a parallel-plate capacitor be defined as, C=εS2d Where, A be defined as the a...

Q: Two protons are shown in the figure below separated by a distance of 1.00 nm. An electron is positio...

A: From Pythagoras's theorem the distance between the proton and electron is From coulomb's law we kno...

Q: Write down the normalized wave functions for the first three energy levels of a particle of mass m i...

A: Solution: Consider a particle in a one-dimensional box of the width of L, the potential is given as ...

Q: An airplane propeller is 2.08 m in length (from tip to tip) and has a mass of 117 kg. When the airpl...

A: Part-a Given: The length of the propeller R = 2.08 m. The mass of the propeller M = 117 kg. The tor...

Q: At one point in its orbit the earth is 1.50 x 1011 m from the sun. A spacecraft flies along a line f...

A: Given, The distance between the earth and the sun is 1.50×1011 m The spacecraft flies at a velocity ...

Q: Two identical stars withmass M orbit around their center of mass. Each orbit is circular and hasradi...

A: The centripetal force acting on the star is Fc=Mv2R The expression for the gravitational force actin...

Q: What is the Photon Model of Electromagnetic Waves?

A: According to wave particle duality, a wave can also be represented as a particle or it depicts parti...

Q: A uniform conducting rod of length l and mass m sits atop a fulcrum, which is placed a distance l/4 ...

A: Given data: The length of the rod is l. The mass of the rod is m. The mass of the object is M. The ...

Q: If a radio transmitter has a vertical antenna, should areceiver’s antenna (rod type) be vertical or ...

A: Given: The position of the antenna of the radio transmitter.  

Q: 3. A conducting cylinder of radius a is segmented into three sections, as shown in the sketch below....

A: Given A conducting cylinder of radius a is segmented into three sections, as shown in the sketch bel...

Q: A 2 kg block is on top of a 10 m high table and loaded onto a spring (with spring constant k = 50 N/...

A: In this case, the spring energy is equal to the kinetic energy and it can be written as 12kx2=12mv2v...

Q: The left-hand end of a uniform rod of mass 2.00 kg and length 1.20 m is attached to a vertical wall ...

A: Part (a) Given: The mass of rod is mr=2.00 kg. The length of rod is lr=1.20 m. The radius of wire i...

Q: if the propogation speed of medium 2 is 1540 m/s and the propogation speed of medium 1 is 330 m/s, w...

A: Solution:   Given Values,   V1=330 m/sV2=1540 m/s    

Q: A tire placed on a balancing machine in a service station starts from rest and turns through 4.1 rev...

A: θ=ωit+0.5αt2

Q: When the charges in the rod are in equilibrium, which point, a or b, has an excess of positive charg...

A: The magnitude of Vab of the potential difference between the ends of the rod is as follows: Vab=vBLV...

Q: Consider a system of N free particles in which the energy of each particlecan assume only two distin...

A:   We consider a set of N distinguishable ”atoms” each with two energy levels. The atoms in a solid a...

Q: Assume a cylinder has a density given by p = Po(1+7) The axis of the cylinder lies along the z-axis....

A: Given: The density of the cylinder is ρ=ρ01+zL. Introduction: Moment of inertia is the name given to...

Q: A trap door 120 cm by 120 cm is kept horizontal by a string attached to the mid-point of the side op...

A:

Q: The prism shown in Fig. has a refractive index of 1.66, and the angles A are 25.0°. Two light rays m...

A: Given: The angle of prism is θa=25.0∘. The refractive index of prism is na=1.66. According to Snel...

Q: If a star's absolute magnitude value is significantly larger than its apparent magnitude value (Mv&g...

A: Absolute magnitude Mv: The magnitude that a star is expected to have if it were at a distance of 10 ...

Q: You are pulling on a rope attached to the outer radius of a pulley with a moment of inertia I=8.34 k...

A: The acceleration of the pack is upward direction, the tension force in the in pack is upward directi...

Q: In order to see how this number density changes with energy, we need the derivative of n(E) with res...

A: The value for dndE is, dndE=ddEE2eET-1