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An electron is a subatomic particle (m = 9.11 10-31 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +5.66 105 m/s to a final velocity of +1.91 106 m/s while traveling a distance of 0.034 m. The electron's acceleration is due to two electric forces parallel to the x axis: 1 = +6.75 10-17 N, and 2, which points in the -x direction. Find the magnitudes of the net force acting on the electron and the electric force 2.
What is the magnitude of an object's average velocity if an object moves from a point with coordinates x = 2.54 m, y = -3.56 m to a point with coordinates x = 7.85 m, y = -6.54 m in a time interval of 2.02 s.
A boulder has 300J of potential energy sitting on the edge of cliff. What is the boulder's kinetic energy as it hits the ground.
A wire that has a resistance of 5 is passed through an extruder so as to make it into a new,What is the resistance of the new wire
A 1.8-m-long steel wire in a musical instrument has a radius of 0.02 mm. When the wire is under a tension of 88 N, how much does its length change
The current supplied by a battery in a portable device is typically 0.131 A. Find the number of electrons passing through the device
Consider the earth following its nearly circular orbit (dashed curve) about the sun. find the size of the gravitational force acting on the earth
Explain how many penguins of mass 27 kg each can stand on the ice block before they get their feet wet?
A double-slit experiment uses light of wavelength 633 nm with a slit separation of 0.1 mm and a screen placed 2.0 m away. What is the linear width of the central fringe
the driver sees a child standing on the road. She takes .80 s to react, then steps on the brakes and slows at 6.5 m/s squared. Explain how far does the car go before it stops?
If you detect a frequency shift of 195.4Hz in the 4000-Hz bell of a bicycle as it approaches and then leaves you, how fast is the bicycle going
A particle (Mass=m, charge=e, and Energy=E) is incident on a potential barrier from x
Two electrons are fixed 2.6 cm apart. Another electron is shot from infinity and comes to rest midway between the two. What was its initial speed
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