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An electron has an initial velocity of 2.00 ? 106 m/s in a uniform 4.00 ? 105 N/C strength electric field. The field accelerates the electron in the direction opposite to its initial velocity.
(a) How far does the electron travel before coming to rest?
(b) How long does it take the electron to come to rest in seconds?
What is the initial (horizontal) velocity of the ball. An airplane needs to reach a velocity of 203 km/h to take off. On a 2000 m runway, what is the least acceleration necessary for the plane to take flight.
A wheel 65 cm in diameter accelerates uniformly from 215 rpm to 390 rpm in 6.0 s. How far will a point on the edge of the wheel have traveled in this time.
the solar constant is the radiant flux density from the sun at the earth's surface and is about 0.135 W/cm^2 when the sun is directly overhead, find the amplitude of the E and B fields
An advertisement claims that a particular automobile can "stop on a dime." What net force would actually be necessary to stop an automobile of mass 920kg traveling initially at a speed of 56.0km/h in a distance equal to the diameter of a dime, whi..
If the car is now at rest and the pendulum undergoes S.H.M. would its time be shorter of longer than that calculated in (b) explain your answer.
Over a time interval of 2.16 years, the velocity of a planet orbiting a distant star reverses direction, Find the total change in the planet's velocity in m/s
How much work is done in stretching the spring. Find out the constant acceleration of the car.
A cosmic ray proton streaks through the lab with velocity 0.80c at an angle of 55° with the +x direction (in the xy plane of the lab). Compute the magnitude and direction of the proton's velocity
A 1000-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam.
A simple harmonic oscillator takes 10s to undergo five complete vibrations.
Find out the induced emf in the loop at an instant
Two radio antennas are separated by 1.20m. Both broadcast identical 750 MHz waves. If you walk around the antennas in a circle of radius 20m, how many maxima will you detect.
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