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An electric charge is uniformly distributed throughout a 12cm radius non conducting sphere. what is the volume charge density of the sphere
The x-position of a particle is given by the expression x(t)=(4.0 m)cos(4.0?t+ 5.0?) , where x is in meters and t is in seconds. What is the maximum velocity of the particle
Two converging lenses, each of focal length 14.9 cm, are placed 39.6 cm apart, define Where is the final image formed
A light ray is incident upon a plane interface between two materials. what is the refracted angle (in degrees) in that material
An automobile has a total mass of 2200 kg. It accelerates from rest to 70 km/h in 40 s. Assume each wheel is a uniform 44 kg disk. find the total kinetic energy of the automobile
A 0.44T magnetic field is perpendicular to a circular loop of wire with 52 turns and a radius of 17cm. what is the magnitude of the induced emf
A 4.90-kg ball, moving to the right at a velocity of +2.14 m/s on a frictionless table, Find the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic
The magnetic field produced by an MRI solenoid 2.2m long and 1.5m in diameter is 2.2T. Find the magnitude of the magnetic flux through the core
In a fast-pitch softball game the pitcher is impressive to watch, Determine the angle of the total acceleration relative to the radial direction
A playground Merry-Go-Round has a mass of 291 kg which can be viewed as being uniformly distributed over a disk of radius 2.4 m. What is the new rotation rate assuming the child remains at the rim
Block A has a mass of 2 kg and rests on a smooth table. What is the acceleration in m/s2 of the two blocks
To get up on the roof, a person (mass 70.0 kg) places a 6.00-m aluminum ladder (mass 10.0 kg) against the house on a concrete pad with the base of the ladder 2.00 m from the house. calculate the mag
An aluminum rod is 17.0 cm long at 20°C and has a mass of 350 g. what is the change in length of the rod
A researcher uses a converging lens with focal length 310 mm to view a specimen. The lens is placed 130 cm from the specimen. Where will the image be located
A string with a mass m = 5.00 g and a length L = 9.00 m has one end attached to a wall; the other end is draped over a small, what is the fundamental frequency of its vibration
An object rotates about a fixed axis, and the angular position of a reference line on the object is given by ? = 0.60e8t, what are the magnitudes of the point's
a sphere of radius a in free space is nonuniformly charged over its surface such that the charge density, Compute the total charge of the sphere
Consider a collection of 4 "Fermi" dice. That is, no two die may have the same face up. What is the average value of the sum of the dice
A 3.40-kg aluminum ball has an apparent mass of 2.10 kg when submerged in a particular liquid. Calculate the density of the fluid
Compute the voltage between the surface and the axis of a uniformly charged infinite cylinder of radius a
A charge of density p is distributed uniformly along an arc representing a half of a cirle of radius r. Determine the electric field intensity vector at an arbitrary point
A cube of edge length a in free sapace is charged over its volume with a charge density p(x)=p0 *sin(pi*x/a), Compute the total charge of the cube
Light from a star has an intensity of about 57×10-8W/m2. how far away is it from Earth
A reflecting telescope has a main mirror with fM = 620 mm. If an eyepiece with a magnification of 15 is used, what is the total magnification of the telescope
A rod of length 30.0 cm has linear density (mass per length) given by l 5 50.0 1 20.0x, What is the mass of the rod