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A long straight wire carries a 40.0 A current in the +x direction. At a particular instant, an electron moving at 1.0 × 107 m/s in the +y direction is 0.10 m from the wire. The charge on the electron is -1.6 × 10-19 C. What is the force on the electron at this instant?
A) 1.3 × 10-16 N in the +x direction
B) 1.3 × 10-16 N in the -x direction
C) 6.5 × 10-10 N in the +y direction
D) 6.5 × 10-10 N in the -y direction
E) 6.5 × 10-16 N in the -y direction
The electric potential is 36 V at point A near a uniformly charged sphere. At point B, 1.5 μmfarther away from sphere, the potential has decreased by 0.16 mV. How far is pointAfrom the center of the sphere?
A solid disk of radius 1.60 m and mass 2.30 kg rolls without slipping to the bottom of an inclined plane. If the angular velocity of the disk is 4.27 rad/s at the bottom, what is the height of the inclined plane
the temperature t in a metal ball is inversely proportional to the distance from the center of the ball which we take
A single loop of wire with an area of 0.0780m2 is in a uniform magnetic field that has an initial value of 3.80 T, is perpendicular to the plane of the loop, and is decreasing at a constant rate of 0.240T/s . If the loop has a resistance of 0.700? ..
At what angle should a curve of radius 155m be banked, so cars can travel safely at 26m/s without relying on friction.
A heavy pole, of mass M and length L, is freely hinged to a wall at the point 0. A rope connects the other end of the pole, B, to a fixed point A on the wall above 0. The system is in equilibrium, with the pole making an angle θ with the horizonta..
A 14.1- resistor, a 11.8-?F capacitor, and a 18.8-mH inductor are connected in series with a 121-V generator. At what frequency is the current a maximum
A 10 inch diameter circular blade of a saw slows from 4100 rpm to 0 rpm in 4 sec. Determine the angular acceleration of the blade
*Pulleys introduce a possible source of error because of their possible friction. Given that they are a source of error, why are the pulleys used at all?*To determine the force acting on each mass it was assumed that g=9.80m/sec2. The value of g at t..
The voltage across a coil whendi/dt= 20 mA/s andL= 8H is ?
An off-roader explores the open desert in her Hummer. First she drives 25 degrees west of north with a speed of 7.0km/h for 15 minutes, What is the direction and speed of travel on the final leg
The tension at which a fishing line snaps is commonly called the line's “strength.” What minimum strength is required for a line that is to stop a salmon of weight 83 N in 14 cm if the fish is initially drifting horizontally at 3.2 m/s? Suppose a con..
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