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Problem:
An electron moves at a speed of v = 3 x 107 m/s parallel to and a distance d = 10 cm from a conducting wire carrying a current of I = 40 A. If the directions of the electron and current are as shown in the figure, what is the magnitude (in N) and direction of the force experienced by the electron?
A string is stretched and fixed at both ends 426 cm apart. If the density of the string is 0.022 g/cm, and its tension is 441 N, what is the speed of the traveling waves
A 40.0-kg boy, riding a 2.50-kg skateboard at a velocity of +5.30m/s across a level sidewalk, jumps forward to leap over a wall. Just after leaving contact with the board, the boy's velocityrelative to the sidewalk is 6.00 m/s, 9.50o abovethe hori..
An unstable Pu-240 nucleus (mass 240.002 u) is at rest when it fissions into two Ag-120 nuclei (mass 119.893 u) which then fly off far from each other. Find the final kinetic energy of one Ag-120 nucleus
Three resistors, R1 = 30? , R2 = 71? , and R3=R, are connected in parallel with a 12Vbattery, Find the value of resistance R and currenrt through each resistor
A uniform 3.15-kg rope 25.6 m long lies on the ground at the top of a vertical cliff. What was the change in potential energy of the rope during this maneuver
A series RLC circuit has R= 50, L= 2.7 H, and C= 52 nF. It is connected to an AC voltage source with an rms amplitude of 12 V, find the average power dissipated by the circuit
A cargo plane unloads crates of supplies at the site of humanitarian disaster. How long does it take each create to slide down the ramp
a 15 kg object floating in the water has .21 of its volume above the surface of the water. what is the volume of the
A circuit is pulled with a 16-N force toward the right to maintain a constant speed v. The loop is partially in and partially out of a uniform magnetic field that is directed into the paper. Because the circuit moves, a 6.0 A current flows during a 4..
A human cannonball with a mass of 70 kilogram receives a movement quantity (J) of 4 x 103 N(s) during 0.35 seconds. Obtain the force that acts upon the human cannonball
a person takes a trip, driving with a constant speed of89.5km/h except for a 22 min rest stop. how much time is spent on the trip
You stand on a frictional platform that is rotating at 1.9 rev/s. Your arms are outstretched, and you hold a heavy weight in each hand. What is the resulting angular speed of the platform
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