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A) A proton with kinetic energy of 6.20 × 106 eV is fired perpendicular to the face of a large plate that has a uniform charge density of ? = +2.50 ?C/m2. What is the magnitude of the force on the proton?
B) How much work must the electric field do on the proton to bring it to rest?
C) From what distance should the proton be fired so that it stops right at the surface of the plate?
What are the displacement and velocity of the point on the cord. What is the magnitude of the acceleration of one of the liners toward the other because of their mutual gravitational attraction.
The block of mass M slides back along the horizontal surface with a coefficient of kinetic friction ?k and eventually comes to a rest. calculate the total trip time from bullet impact to now
Calculate the magnitude of B when the force on wire. The time constant of an RC circuit is 5.5 s. How much time t is required for the capacitor (uncharged initially) to gain one-half of its full equilibrium charge.
A magnetic field of 3 Tesla is oriented into the page. A 10 cm long conducting bar is pulled to the right at a constant speed of 3.4 m/s. What is the magnitude of the current in the bar
q1. a 2700-kg satellite is in a circular orbit around a planet. the satellite travels with a constant speed of 6270 ms.
A ball is thrown upward,. At 5.00 m above its launch point, the ball's speed is one-third its launch speed. What maximum height above the launch point does the ball attain
Mary observes damped oscillations of a glider on air track. she observed that the amplitude decreased to 30% of its original value after 12s
This bat hears its own sound plus the sound reflected by the wall. Explain how fast should the bat fly in order to hear a beat frequency of 10.0Hz?
The femur (the largest leg bone) of a certain person has a cross sectional area of 3.35×10-4m2 and a length of 47 cm. what is the force required to fracture this femur
A telescope can be used to enlarge the diameter of a laser beam and limit diffraction spreading. what is the size of the spot this beam would make on the moon
The driver of a car wishes to pass a truck that is traveling at a constant speed of 20.9m/s . Initially, the car is also traveling at a speed 20.9m/s and its front bumper is a distance 23.1m behind the truck's rear bumper, What is the final speed ..
To recharge a 3.7V Lithium-ion battery, a battery charger must move 1320 mAxh of charge from the negative terminal to the positive terminal
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