A dog in an open field runs 12.0 m east and then 28.0 m in a direction 50.0 west of north. In what direction and how far must the dog then run to end up 10.0 m south of her original starting point?

Q: A light rope is attached to a block with mass 4.00 kg that restson a frictionless, horizontal surfac...

A: Given: The mass of the block is 4.0 kg. The mass of the block suspended from the other end is m. The...

Q: Two identical, closely wound, circular coils, each having selfinductance L, are placed next to each ...

A: Since two coils are identical , L1=L2=L If they are connected in series, Leq=L1+L2=2L

Q: An electric field given by É = 4.11 - 4.5(y² + 2.6)ĵ pierces the Gaussian cube of edge length 0.580 ...

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for...

Q: NASA is giving serious consideration to the concept of solar sailing. A solar sailcraft uses a large...

A: (a) The radiation force for the absorbing surface is F=IAc The radiation force for the reflecting su...

Q: Merry-go-rounds are a common ride in park playgrounds. Theride is a horizontal disk that rotates abo...

A: Speed is, v=2πRT

Q: In terms of the ground-state energy E1,1,1, what is the energy of the highest level occupied by an e...

A: Given: To find the energy of the highest level occupied by an electron when 10 electrons are placed ...

Q: Let θ be the angle that the vector A vec. makes with the +xaxis,measured counterclockwise from that ...

A: θ=tan-1AyAx

Q: Advanced Physics Question

A: Conservation of energy Wf=∆KE+∆PE=12mv2-u2+mghf-hi=mv2-u22+ghf-hi

Q: An electron microscope is designed to resolve objects as small as 0.14 nm. What energy electrons mus...

A: Eelectron=Ephoton=hcλ=1240 eV·nm0.14 nm=8857 eV

Q: The cathode-ray tubes that generated the picture in early color televisions were sources of x rays. ...

A: Given: Potential difference = 15 kV  

Q: TOPIC: QUANTUM MECHANICS "WAVY PROPERTIES OF THE PARTICLE"  Solve the following problem step by step...

A: we can operate the time evolution operator in this problem.

Q: When an object slides down a ramp with friction, the kinetic energy at the bottom of the ramp is not...

A: Conservation of energy states that the total energy of an isolated system remains constant.

Q: You are in your car driving on a highway at 25 m/s when you glance in the passenger-side mirror (a c...

A: The focal length of the convex mirror can be computed from the radius of curvature as; f=R2=-150 cm2...

Q: Discuss the differences between the rotational and vibrational energy levels of the deuterium (“heav...

A: Given: The differences between the rotational and vibrational energy levels of the deuterium (“heavy...

Q: 7.A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N frictio...

A: He pushes the car  a distance of s=20 m.  Frictional   Force                       =35 N .  

Q: A human expedition lands on an exoplanet. One of the explorers is able to jump a maximum distance of...

A: Given: The maximum distance jumped by the explorer: h = 18.0 m The initial speed of the explorer: u ...

Q: You observe a star system for many weeks. The light curve does not show significant changes in brigh...

A: Yes. This is a binary system. Specifically this is called a spectroscopic binary system.  

Q: Electrons in an x-ray tube accelerate through a potential difference of 10.0 kV before striking a ta...

A: Given: Potential difference = 10 k V  

Q: Express the 8.9-kN force Fas a vector in terms of the unit vectors i, j, and k. Determine the scalar...

A: Force in terms of cartesian co-ordinates F→=Fcosθcosϕi^+cosθsinϕj^+sinθk^=8.9 kNcos31°cos57°i^+cos31...

Q: A muon is a lepton that is a higher-mass (rest mass 105 MeV/c2) sibling to the electron. Muons are p...

A: Given: Muons are produced in the upper atmosphere when incoming cosmic rays collide with the nuclei ...

Q: What is bandwidth in an optical instrument? How does it relate to resolution and noise in an optical...

A: Optical instruments are the instruments that use light as a medium to transfer data. These instrumen...

Q: A drag racer is doing a 1,159 m long racer.  The racer starts from rest and accelerates at 32.6 m/s2...

A: Given information: The total distance covered by the racer, d=1159 m The initial velocity of the rac...

Q: Two 25.0 N weights are suspended at opposite ends of a rope that passes over a light, frictionless p...

A: Tension in the rope equals the weight suspended on one side of the rope. T=W=25.0 N

Q: You place an object alongside a white screen, and a plane mirror is 60.0 cm to the right of the obje...

A: Part-a Given: Object distance from the focal length s = 22 cm. Distance between plane mirror and ob...

Q: A photographic slide is to the left of a lens. The lens projects an image of the slide onto a wall 6...

A:

Q: THIS IS THE QUESTION ITS REFERRING TOO!!! I ONLY NEED THE SECOND QUESTION ANSWERED!! THANKS Imagine...

A:

Q: 5. A particle moves along the x axis. Its position varies with time according to the expression x =1...

A: The magnitude of displacement of the particle is given by Displacement = |Final position - Initial p...

Q: Two point charges are place on XY plane as follows.  -10 nC at the origin and -20 nC on y-axis at y=...

A:

Q: A car and a truck start from rest at the same instant, with thecar initially at some distance behind...

A: Given: Acceleration of the truck at = 2.1 m/s2. Acceleration of the car ac = 3.4 m/s2.

Q: The figure shows a section of a long, thin-walled metal tube of radius R = 7.22 cm, with a charge pe...

A: (a) Given: A long, thin-walled tube is of radius 7.22 cm. The charge per unit length of the tube is ...

Q: Advanced Physics Question

A:   (c) The elastic potential energy stored in the spring as it is compressed is; U=12kx2             ...

Q: Determine whether each of the variables that affect waves (amplitude, frequency, wave speed, and wav...

A: A wave is a disturbance in a medium that carries energy without a net movement of particles. It may ...

Q: A dentist uses a curved mirror to view teeth on the upper side of the mouth. Suppose she wants an er...

A:

Q: The German chemist Fritz Haber proposed paying off the reparations imposed against Germany after Wor...

A: volume of seawater= 3 m3= 3x106 cm3 density of seawater = 1.03 g/cm3 mass of seawater = density x vo...

Q: Assume that the Maxwell-Boltzmann distribution is valid in a gas of atomic hydrogen. What is the rel...

A: Given: Temperatures t = 293 K, 5000 K and 106 K.

Q: For the system shown, the masses of A and B are 55 kg and 135 kg, respectively. The coefficient of s...

A: Given: The masses of A and B are 55 kg and 135 kg, respectively. The coefficient of static friction ...

Q: The special theory of relativity has what effect on measurements done today? (a) None whatsoever, be...

A: Given: The effect of measurements on the special theory of relativity.  

Q: Two infinite, very thin and flat sheets of insulating material carry electric charge o > 0 per unit ...

A: Given two sheets are placed at y=0 and y=d The sketch of the given system:    

Q: In an L-R-C series circuit, the components have the following values: L = 20.0 mH, C = 140 nF, and R...

A: (a) inductive reactance is XL=2πfLXL=2π1.25×103 Hz20.0×10-3 HXL=157 Ω capacitive reactance is, Xc=12...

Q: A ball of mass m is thrown from ground level with initial horizontal velocity component Vox and init...

A: Given: Mass of a ball is m. Initial horizontal velocity component is v0x Initial vertical velocity c...

Q: 4-21. Consider a lattice of M equivalent noninteracting magnetic dipoles, u (associated, say, with e...

A: Given that the M equivalent non-interacting magnetic dipoles. For a given value of N the total energ...

Q: At x = x′ = 0 and t = t′ = 0 a clock ticks aboard an extremely fast spaceship moving past us in the ...

A: From the given Lorentz factor γ the speed of spaceship can be determined,