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A wire of length 0.665 m carries a current of 21.0 A. In the presence of a 0.470 T magnetic field, the wire experiences a force of 5.42 N. What is the angle (less than 90°) between the wire and the magnetic field?
A Force F= (6xi+ 5yj), where F is in newtons and x and y are in meters, acts on an object as the object moves in the x direction, Find the work W = integral (F · d vector r) done by the force on the object
While john is travelling along an interstate highway, he notices a 166 mile marker as he passes through town. Later john passes another mile marker, 105.
Two magnetic air pucks are approaching each other for a glancing blow. This time one of the pucks will have an additional mass (lead collar). estimate the mass of the collar if the mass of the puck itself is 0.199 kg and the mass of the second puck..
A 109-rad dose of radiation is administered to a cancer patient (mass = 73) kg). how much energy is absorbed
A paperweight, when weighed in air, has a weight of W = 7.4N. When completely immersed in water, though, it has a weight of Win water = 4.40 N. Find the volume of the paperweight.
How numerous extra electrons are on this particular oil drop (given the presently known charge of the electron)?
Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.
A glass window 0.45cm thick measures 80cm by 37cm. To compare the relative efficiency of air and glass as insulators, calculate the heat flows through this window
Imagine that a hypothetical life form is discovered on our moon and transported to Earth. calculate the heat lost by each body from the vaporization of sweat
Determine the linear (tangential) acceleration of the rim of the bicycle's wheels (in the reference frame of a cyclist riding the bike).
Show that the average force exerted. What is your displacement after running 2.5 {rm km} on Strawberry Fields, 1.4 {rm km} on Penny Lane, and 4.2 {rm km} on Abbey Road.
The longest "string" (a thick metal wire) on a particular piano is 3.0 m long and has a tension of 300.0 N. It vibrates with a fundamental frequency of 27.5 Hz. What is the total mass of the wire.
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