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A uniform electric field of magnitude 640 N/C exists between two parallel plates that are 4.40 cm apart. A proton is released from the positive plate at the same instant that an electron is released from the negative plate. (a) Determine the distance from the positive plate at which the two pass each other. (Ignore the electrical attraction between the proton and electron.) Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. µm (b) Repeat part (a) for a sodium ion (Na+) and a chlorine ion (Cl-). cm
A 5 kg rock is dropped from rest down a vertical mine shaft. How long does it take for the rock to reach a depth of 79 m? Neglect air resistance.
A solid cylinder with a mass of 1.5 Kg initially at rest rolls down from a height of 2.00 m. What will be its speed when it reaches the bottom
1. a a massless rope is stretched horizontally between two supports that are 3.0 m apart. when an object of weight 3200
A child whose weight is 284 N swings out over s pool of water usinga rope attached to the branch of a tree at the edge of the pool. Find the speed of the child at the surface of the pool
A trained dolphin leaps from the water with an initial speed of 10.2 . The trainer releases the ball at the horizontal distance of 5.47 away, At what height does the dolphin catch the ball
In exercising, a weight lifter loses 0.152 kg of water through evaporation, the heat required to evaporate the water coming from the weight lifter's body. find the change in the internal energy of the weight lifter
A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 41 at 20°C. what is the temperature coefficient of resistivity
A person walks 34.0? north of east for 4.10 km. Another person walks due north and due east to arrive at the same location. How large is the east component of this second path?
Racing drivers like to warm up the tyres of their car as soon as possible. One reason is that warm tyres grip the road better but the temperature also affects the pressure of the air into he tyres.
A 420 turn solenoid, 30 cm long, has a diameter of 2.4 cm. A short 20 turn coil is wound tightly around the center of the solenoid. what will be the induced emf magnitude in the short coil
The area of a typical eardrum is about 5.00 10-5 m2. Calculate the average sound power incident on an eardrum at the threshold of pain
Determine the acceleration of the bullet while in the barrel? A bullet in a rifle barrel does not have constant acceleration, but constant acceleration is to be assumed for this problem.
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