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A force, F=(Three x square N)i +(4N)j, with x in meters, acts on aparticle, changing only the kinetic energy of the particle.
a. how much work is done on the particle as it moves fromcoordinates (2m, 3m) to ( 3m, 0m) ?
b. Does the speed of the particle increase, decrease or ramain the same?
An X-ray tube is similar to a cathode-ray tube. Electrons are accelerated to high speeds at one end of the tube. What speed would this potential difference give to protons
A point charge q1 = -2.3 x 10^ -6 C is located at the origin of a co-ordinate system. Another point charge q2 = 6.3 x 10^-6 C is located along the x-axis at a distance x2 = 6.1 cm from q1. 1) What is F12,x, the value of the x-component of the forc..
A microphone is attached to a spring that is suspended from the ceiling, as the drawing indicates. Directly below on the floor is a stationary 659-Hz source of sound. The microphone vibrates up and down in simple harmonic motion with a period of 2..
carpet is to be laid in a room that is in the form of acircular sector with a central angle of 105o. if thelength
What is the true potential difference among this resistor when the meter is not present? I thought this was just 25 but it is wrong when I enter in.
In an experiment on the photoelectric effect, a cessium plate is illuminated with UV light of wavelength 2000 angstroms. The stopping potential is found to be 4.21 volts. What is the work function of the cessium surface?
A very slow neutron with negligible kinetic energy is captured by a 11B (boron-11) nucleus, which ends up in its ground state. Calculate the wavelength of the photon given off
A 12.0-{rm kg} box resting on a horizontal, frictionless surface is attached to a 5.00-{rm kg} weight by a thin, light wire that passes over a frictionless pulley). The pulley has the shape of a uniform solid disk of mass 2.40 {rm kg} and diameter 0...
Unexpectedly, is about the similar for the muscles of all animals and has the numerical value of in SI units.
A ball starts at a point 30 m above the bottom of a dip with of 25 m/s. overlook friction, what will be the speed of the ball at the top of the next slope, which is 45 m above the bottom of the dip.
A spherical shell has an outside radius of 2.45 cm and an inside radius of a. The shell wall has uniform thickness and is made of a material with density 4.74 g/cm3. What is this maximum mass
A typical AAA battery has stored energy of about 3400 J. (Battery capacity is typically listed as 625 mA h, Assuming that the potential difference across the capacitor is 1.5 V, what must the area of each plate be
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