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A metal rod of length 2.0 m is moved at 6.0 m/s in a direction perpendicular to its length. A 5.0 m T magnetic field is perpendicular to both the rod and its velocity. If the resistance of the rod is 15 mΩ, what is the current in the rod?
a source emits a sound uniformly in all directions. a radial line is drawn from this source. on this line determine the
the dome of a van de graff generator receives a charge of 2.0 x 10-4 c. find the strength of the electric field a
A golf ball (m = 46.0 g) is struckwith a force that makes an angle of 45.8° with the horizontal. what is the average force of impact
An aluminum cube 10 cm on a side is subject to shear stress. A force of 40,000 N acts on each of four faces. Calculate the shear strain
Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber, If a sample of gold with a mass of 2.477g, is pressed into a leaf of 4.116 ?m thickness, what is the area (in m2)..
While John is travelling along a straight interstate highway he notices that the mile marker reads 243 km john travels until he reaches his path to the 178 km marker what is john's resultant displacement from the 243 km marker.
Assume that the air temperature is 20C and that no wind is blowing. How much time would elapse if the wind were blowing toward the observer at 33.0Km/h from where the rail was struck?
Two particles of masses M1 = 93000 kg and M2 = 4200 kg are initially at rest an a distance 148.1 km apart. The masses are let go, and as a result of the gravitational force the two masses move towards each other.
3 objects are connected on an inclined table with the masses of 8.0kg, 4.0kg and 2.0kg and the pulleys are frictionless. determine the acceleration and direction of the motion of the system
A 0.366-kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 20.3 N/m. How far does the putty-block system compress the spring
two blocks with masses m1 4.6kg and m2 3.8 kg are connected by a light spring on a horizontal frictionless table. at
A 0.31 MeV x-ray photon collides with an electron and scatters straight back the way that it came. What is the energy of the backscattered photon
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