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Two plates separated by a distance 18.3 mm are charged to a potential difference of 7.25 volts. A constant 6.81 N force pushes a -8.30 mC charge from the positively charged plate to the negatively charged plate. Using the concept of work-energy, calculate the change in kinetic energy ?T, potential energy ?U, and total energy ?E of the charge as it travels from one plate to the other. Assume the initial speed of the electron is 0.
In a cathode-ray tube, a beam of electrons is projected horizontally with a speed of 1.0x10^9 cm/s into a region between a pair of horizontal plates 2.00 cm long.
A cart mass M moves on a frictionless track. It is attached to a string, which goes over a pulley wheel & has a mass m hanging from it. At t=0 s the cart starts from rest & accelerates. Find the tension in the sting & acceleration of the cart.
A man takes his dog out for a walk. The dog has no legs and is dragged along sidewalk on a little sled (mass of dog + sled = 13.0kg). The sidewalk exerts a frictional force of 14.0N.
While a roofer is working on a roof that slants at 44.0 above the horizontal, he accidentally nudges his 93.0 toolbox, causing it to start sliding downward, starting from rest.
What is an electric potential at a point
The wheel of the car has a radius of 0.340 m. The engine of the car applies a torque of 282 N•m to this wheel, that does not slip against the road surface. Since the wheel does not slip, the road must be applying the force of static friction to the w..
What is the kinetic energy of a carbon atom moving with a speed of 500 m/s.
The only force acting on a 2.7 kg canister that is moving in an xy plane has a magnitude of 2.7 N. The canister initially has a velocity of 3.0 m/s in the positive x direction, and some time later has a velocity of 7.4 m/s in the positive y direct..
The spheres are touched together and are then returned to their original separation d. Illustrate what is the force between them.
Treat the ball as a uniform, solid sphere, ignoring the finger holes. Illustrate what is the acceleration of the center of mass of the ball?
A uniform electric field of magnitude 249 V/m is directed in the negative y direction. A +13.4 ?C charge moves from the origin to the point (x, y) = (15.0 cm, 50.8 cm)
Elucidate in detail the image of the "A" you would see as you look into the balloon with "A" facing you.
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