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A particle of charge +3.0 x 10-8 is in a unifrom electric field directed to the left. It is released from rest and moves a distance of 5.0 cm and its kinetic energy is increased by +4.5 x 10-4 J.
a) What is the work fone by the electric force? units?
b) What is the magnitude of the electric field? units?
c) What is the electric potential of the starting point relative to the endpoint of the path? units?
What is the instantaneous power, at a time of 0.00700 seconds, dissipated by a 200 ohm resistor in a resonant AC circuit powered by a generator with a 21.0 V highest potential difference operating at 5000 rad/s .
An electron and a positron, each moving at3.0×105m/s, collide head on, disappear, Determine the momentum of each photon
Anelastic conducting material is stretched into a circular loop of15.0 cm radius. It is placed with itsplane perpendicular to a uniform 0.800T magnetic field. What emf is induced in the loop at that instant
imagine that you spill a cup (250 g) hot water, initially at 75 C, onto the cold ground on a winter fay, Calculate the net change in the entropy of the universe due to this process, and comment on the result
A parallel-plate capacitor is made from two plates 12.5 on each side and 4.70 apart. What is the capacitance of this combination
q1. a thin horizontal copper rod is .989696 m long and has a mass of 43.3758 g.the acceleration of gravity is 9.8
What is an average speed of this train
A 1.20 kg mass on a horizontal spring oscillates on a frictionless surface with a displacement as a function of time given by x(t) = 0.075cos
A proton moves 1.5 cm parallel to auniform electric field of E = 220N/C. How much work is done by the field on the proton?
You are pushing a 142 kg wooden crate in a straight line a distance of 5.1 m across a wooden floor. The crate is speeding up at 0.30 m/s^2. What is the work done by friction on the crate
q1. a toy train rolls around a horizontal 1.2--diameter track. the coefficient of rolling friction is 0.15.what is the
A car traveling at 16.00 m/s runs out of gas while traveling up a 19 degree slope. How far up the hill will it coast before starting to roll back down.
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