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Q. An electric field of 490000 N/C points due west at the certain spot. What is the magnitude of the force that acts on a charge of -8.3 C at this spot?
Q. Three charges U, V and W are placed on a meter stick. Charge U is placed at the 0 mark, charge V at the 50 marks and charge W at the 100 mark. U = 10, V = -10 and W = -10. The permittivity of free space is 8.854×10-12. Drawing a illustration of the layout of the charges will help.
A tennis racket has nylon strings. If one of the strings with a diameter of 1 mm is under the tension of 15 N, how much is it lengthened from its original lenght of 40 cm.
At the instant the alpha particle leaves the nucleus, the centers of the two are 7.5 apart and essentially at rest. Find their speeds while they're a great distance apart. Treat each particle as a spherical charge distribution.
A particle with a charge of q = -5.40 nC is moving in a uniform magnetic field of vec{B}=( -1.24 T ) hat{z}. The magnetic force on the particle is measured to be vec{F}= ( -7.60×10-7 N )hat{y}. find v_x, the x component of the speed of the particl..
What is the coefficient of static friction
What must the charge (sign and magnitude) of a 1.46 g particle be for it to remain stationary while placed in a downward-directed electric field of magnitude 690.
How far downstream will you be carried. The water in a river flows uniformly at the constant speed of 2.03 m/s between parallel banks 87.7 m apart.
What is the maximum reaction time. A 1.52 wide, 1.50 high, 1500 car hits a very slick patch of ice while going 21.0 .If friction is neglected, how long will it take until the car's speed drops to 14.
A damped mass-spring system oscillates at 280 Hz. The time constant of the system is 2.0 s. At t = 0, the amplitude of oscillation is 8.4 cm and the energy of the oscillating system is then 84 J.
illustrate a diagram to show the forces acting on the aircraft while it is flying in a horizontal circle with its wing banked at an angle to horizontal.
Two wires, each 28.15 cm long, are connected to two separate 9.00 V batteries as shown in the figure. The resistance of the first wire is 5.00 Ω, and that of other wire is unknown (R). If the separation between the wires is 4.55 mm, what value of R w..
make sure to label the graphs with units and values to indicate any critical points of the ball's motion.
how to calculate the average velocity between to minutes. Estimate how for you can throw a ball if you throw it in the following situations.
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