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An electron is a subatomic particle (m = 9.11 x 10-31 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +5.21 x 105 m/s to a final velocity of 1.80 x 106 m/s while traveling a distance of 0.0775 m. The electron's acceleration is due to two electric forces parallel to the x axis: F1 = 8.80 x 10-17 N, and vector F2, which points in the -x direction. Find the magnitudes of
(a) the net force acting on the electron and
(b) the electric force vector F2.
Two 2.40cm--diameter disks spaced 1.90mm apart form a parallel-plate capacitor. determine the electron's speed as it left the negative plate
Neglecting air resistance, how fast is it going when it hits the balloon? Illustrate what is the acceleration of the cannonball just before it hits the balloon?
What are (a) x component and (b) y component of a vector in the xy plane if its direction is 329° counter clockwise from the positive direction of the x axis and its magnitude is 9.0 m.
A spaceship of mass 2.3×106 is cruising at a speed of 5.6×106 when the antimatter reactor fails, blowing the ship into three pieces. One section, what is the direction of the third piece
Two small metallic spheres, each of mass 0.20 g, are suspended as pendulums by light strings from a common point, what is the magnitude of the charge on each sphere
The two stars in a binary star system have masses 1.9 x 10^30kg and 6.1 x 10^30kg. What is the speed of the heaviest star
A car starts from rest and travels for 5.0 s with a uniform acceleration of +1.8 m/s2. How fast is the car going at the end of the braking period
Larger wavelengths diffract more than smaller wavelengths. how long in years would it take the person to move a distance of one meter
A stone is thrown horizontally at a speed of 4.9 m/s from the top of a cliff 89.5 m high, how long does it take the stone to reach the bottom of the cliff.
A 0.037 kg aluminum bullet traveling at 460 m/s strikes an armor plate and comes to a stop. what is the bullet's temperature change in degrees Celsius
A 2.1 ? 103-kg car starts from rest at the top of a 4.5-m-long driveway that is inclined at 15° with the horizontal. find the speed of the car at the bottom of the driveway
Biomedical measurements show that the arms and hands together typically make up 13.0 of a person's mass, while the legs and feet together account for 37.0. find the average angular velocity of his arms and legs
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