Find the point A(x,y) when C divides AB in the ratio of 2:3.Points B and C are given as (-5,8) and (3,6)

Q: a) What is a binary star system? (b) describe briefly two methods for showing that a system is a bin...

A: (a) A binary star system is a system of two stars orbiting each other around a common center. Binary...

Q: The light beam from a search light may have an electric-field magnitude of 1000 V/m, corresponding t...

A: The searchlight beam have an electric field of 1000 V/m which correspond to potential difference of ...

Q: For waves in shallow water the phase velocity is about equal to the group velocity. What is the depe...

A: Phase velocity and group velocity are related as, ugroup=vphase+kdvphasedk It is given that the grou...

Q: Arm torque A horizontally outstretched arm supports a weight of 20 Ib in a hand (see figure). If the...

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Q: You tie a brick to the end of a rope and whirl the brick around you in a horizontal circle. Describe...

A: Before releasing the brick continue its circular motion with velocity vector tangent to its circular...

Q: The inductor shown in Fig. has inductance 0.260 H and carries a current in the direction shown. The ...

A: (a) The potential difference between points a andb, Vab=1.04 V The induced emf produced due to chang...

Q: a) The velocity of the body at the moment of separation from the plane b) The body's journey at this...

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Q: A small rock with mass m is attached to a light string of length L and whirled in a vertical circle ...

A: Part (a) The free body diagram for the motion of the rock is shown as, The formula to calculate the...

Q: 10) Which vectors in graph below are equal? to too

A: Solution:   Equal Vectors: If two vectors A and B are said to be equal if they have same magnitude(L...

Q: To design a particular kind of refrigerator, we need to know the temperature reduction brought about...

A: Joule Thompson coefficient (µ) is defined as the change in temperature per unit change in pressure a...

Q: The artifi cially created nuclear isotope tritium (3H) is important in many applications. This isoto...

A: Given: The mean kinetic energy of electron is K=5.7 keV. The diameter of the nucleus is l=3.4 fm. ...

Q: The moon has a mass of 7.35 * 1022 kg, and the length of a sidereal day is 27.3 days. (a) Estimate t...

A: Hi. Since you have posted a question with multiple subparts and not specified which subparts you wan...

Q: A sound wave source (a speaker) creates a sound wave in the air by vibrating back and forth. How doe...

A: We usually think of sound waves travel in air, but sound can travel through any gas, through liquids...

Q: You are standing at the intersection as indicated by an emoji, you can take two possible routes from...

A: For the root passing via Ontario Street the vector notation can be drawn as, Here Resultant is calc...

Q: Use all four quantum numbers (n,ℓ,mℓ,ms) to write down all possible sets of quantum numbers for the ...

A: Given the state of atomic hydrogen is 4f Here n=4l=3ml=-3,-2,-1,0,1,2,3ms=-12,12 Thus the possible q...

Q: A painter (of mass 75 kg) needs to reach out from a scaffolding to paint the side of a building, so ...

A: Analyze the figure given below, Here, L denotes the distance between both the bars.

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

A: The relation between the magnetic moment M and magnetic field induction B produced is as below, Her...

Q: Determine the forces in member GH, EH, DE of the truss, and state if the member is in Tension orComp...

A: Given: The diagram is as follows: Introduction: A truss is an assembly of beams or other elements t...

Q: A circular racetrack has a radius of 500 m. What is the displacement of a bicyclist when she travels...

A: Displacement is the shortest distance between the initial and final points. Displacement while trave...

Q: (X,Y) +1nC (0,0) +1nC (2,0) meters -1nC (0,1.5) meters Sensor ( yellow button) (2 ,1.5) meters Calcu...

A: Diagram

Q: What is the difference in the various Bohr radii rn for the hydrogen atom (a) between r1 and r2, (b)...

A: (a) The radius of nth orbit in the hydrogen atom is rn=n2a0 Here, a0 is the radius of the Bohr orbit...

Q: 1. Is a temperature difference necessary to operate a heat engine? State why or why not.

A: Temperature difference is very necessary to drive a heat engine as the the work is extracted from th...

Q: While punting a football, a kicker rotates his leg about the hip joint. The moment of inertia of the...

A: (a) Given: The moment of inertia of the leg is 3.95 kgm2. The rotational kinetic energy is 195 J. In...

Q: Suppose a 1D quantum system is represented by the wavefunction in position space: (x|½(t)) = p(x, t)...

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Q: *PLEASE ANSWER QUESTIONS #7* Make a sketch of the trajectory of a ball after it has been thrown. Dr...

A: When the ball is thrown, its horizontal velocity is constant throughout the motion, but vertical vel...

Q: Venus can be as bright as apparent magnitude −4.7 when at a distance of about 1 AU. How many times f...

A: Solution:   Given that, Apparent Magnitude (mA)=-4.7  distance d1=1 AU 1 pc = 2.1 ✕ 105 AU  

Q: What is true about the vector k?

A: In the wave equation ψ(r,t)= Aei(k.r-ωt), K is known as wave vector. A wave vector is a vector which...

Q: If steel has ten times the density of water, how many times more dense is the hydrogen plasma at the...

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Q: In a large vacuum chamber, monochromatic laser light passes through a narrow slit in a thin aluminum...

A: Given: The distance between slit and the screen is d=0.620 m. The initial temperature of the plate ...

Q: A box is sliding with aspeed of 4.50 m/s on a horizontal surface when, at point P, it encountersa ro...

A: Part (a) Given: The initial speed of box is u=4.50 m/s. The minimum value of coefficient of frictio...

Q: For a 3p state give the possible values of (n, ℓ,mℓ ) , L, Lz, Lx, and Ly.

A: The value of n,l  for 3p state are: n=3, l=1 The possible values of ml for 3p state are [-1, 0, +1]....

Q: does NOT. How on earth can this be? What is different about the dynamics of a hoop that rolls withou...

A: For the skater all the potential energy of the skater changes into kinetic energy if we neglect fric...

Q: An experimenter finds that no photoelectrons are emitted from tungsten unless the wavelength of ligh...

A: According Photoelectric equation, hf=ϕtungsten+KEmax         (I)                ϕwavefunction=workfu...

Q: The parachute on a race car, with a mass of 934kg, opens at the end of a quarter mile race with the ...

A: Given Let us take the weight of the car as W=934 kg Initial velocity of the car just before opening ...

Q: Can you think of a body that has the same moment of inertia for all possible axes? If so, give an ex...

A: No , we cannot have a body that has the same moment of inertia for all possible axes. Since, Moment ...

Q: A 75.0 kg wrecking ball hangs from a uniform, heavy-duty chainof mass 26.0 kg. What is the tension a...

A: Given, Mass of the ball , mb=75 kg Mass of the chain, mc=26 kg The given question can be predicted i...

Q: 14) Draw a free body diagram for a balloon accelerating upward

A: Free body diagram of the balloon accelerating upwards is given below,

Q: In a physics lab, the pitching speed of a student is determined by throwing a baseball into a box an...

A: The box and the ball combine together and move so it act like an inelastic collision. Thus, by the c...

Q: A steel ball with mass m is suspended from the ceiling at the bottom end of a light, 15.0-m-long rop...

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Q: 1 Can you show that the orbital angular momentum of an electron in any given direction (e.g., along ...

A: Given:1. Need to explain in which cases would the two be equal to each other, when the orbital angul...

Q: When you drop an object from a certain height, it takes time T to reach the ground with no air resis...

A: The formula to calculate the height of the object is, h=uT+12gT2 Here, h is the height of object, u ...

Q: Is an electron most strongly bound in an H, He+, or Li++ atom? Explain.

A: Among hydrogen H helium ion He+ and lithium ionLi++  . Electrons in the Lithium have strongest bond ...