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Solve the following problem:
Problem: What is the radius of the circular path of an electron moving at 2.5 x 106 m/s perpendicular to a 3.5 mT magnetic field?
Can someone please explain what the heck is going on?
A 6.80 g lead bullet traveling at 460 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in te..
A space station is constructed in the shape of a hollow ring of mass 4.95 x104 kilogram. Obtain how long must the rockets be fired if each exerts a thrust of125 Newton
Suppose a friend asks to examine the 10.0 kg box you were Given, hoping to guess what is inside; and you respond, Calculate the magnitude of the upward force FN exerted by the table on the box
The fundamental physical constant of quantum mechanics, h, has played an important role in each of the three theoretical advances (those relating to the blackbody spectrum, the photoelectric effect, and the structure of the H atom).
A terrestrial telescope uses an objective and eyepiece with focal lengths of 42cm and 6.0cm, respectively. find the magnification of the telescope for an object at infinity
A skydiver, mass 80 kg, jumps out of an airplane traveling 150 km/h horizontally at an altitude of 1000 m. When she reaches the ground, her speed is 8.0 m/s. How much energy was dissipated with air resistance during the jump?
a 26-cm-long wire with a linear density of 15 gm passes across the open end of an 87-cm-long open-closed tube of air.
For N2 at 25oC and 1.00 atm calculate the number of collisions per second made by one molecule; the number of collisions per second per cubic centimeter; compare these values to N2 at 25oC and 1.0*10^-6 torr using the values already calculated Show a..
Two rigid rods are oriented parallel to each other and to the ground. The rods carry the similar current in the same direction. The length of each rod is 0.90 m, and the mass of each is 0.062 kg. One rod is held in place above the ground, while the o..
You're the operator of a 1.20×104 V rms, 60 Hz electrical substation. When you get to work one day, What is the rms current leaving the station
At time a grinding wheel has an angular velocity of 22.0. It has a constant angular acceleration of 33.0 until a circuit breaker trips at time = 2.20. From then on, the wheel turns through an angle of 431 as it coasts to a stop at constant angular de..
A force vector has a magnitude of 595 newtons and points at an angle 39o of below the positive x axis. What is (a) x scalar component and (b) y scalar component of the vector.
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