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A uniform electric field of magnitude 395 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.50 cm.
(a) What is the work done by the field on the electron?
(b) What is the change in potential energy associated with the electron?
(c) What is the velocity of the electron?
A 1.5 kg bicycle wheel with a radius of 0.27 m turns at a constant angular speed of 28 rad/s when a(n) 0.33 kg reflector is at a distance of 0.14 m from the axle. What is the angular speed of the wheel
When two sticks are laid end-to-end they cover a length of 8.32 feet. One stick is 2.90 ft longer than the other. What is the length of the shorter stick in feet.
Average relative intensity of a person's voice is 58 dB. A microphone and amplification system increases the relative intensity to 70 dB. By what factor did the amplification system increase the sound intensity?
What is the acceleration of the truck. If it starts 4.50 m from the lower edge of the roof, how fast would the toolbox be moving just as it reaches the edge of the roof if the kinetic friction force on it is 18.0 N.
A 18.0cm × 18.0cm square loop of wire lies in the xy-plane with its bottom edge on the x-axis. The resistance of the loop is 0.530?. What is the size of the induced current in the loop at t = 0.550s
A helicopter is ascending perpendicularly with a speed of 5.42 m/s. At a height of 146 m above the Earth, a package is dropped from a window. How much time does it take for package to reach the ground.
What is the speed of bulky cart after the collision
The acceleration of a particle is given by ax(t)=? 2.10m/s2 +( 3.03m/s3 )t, What will be the velocity at time t = 3.94s
A textbook of mass 2.08kg rests on a frictionless, horizontal surface. What is the tension in the part of the cord attached to the textbook
Evaluate the magnitude and direction of the friction force (assumed constant) that acts on the bullet.
A 12.25 mH coil carries a constant current of 0.35 A, clockwise. what potential difference will appear across the coil during this time
A spring is hanging from the ceiling. Attaching a 440gg mass to the spring causes it to stretch 18.0cmcm in order to come to equilibrium. What is the maximum speed of the mass
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