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In the figure below an electron is shot directly toward the center of a large metal plate that has surface charge density -1.00 × 10-6 C/m2. If the initial kinetic energy of the electron is 1.60 × 10-17 J and if the electron is to stop (due to electrostatic repulsion from the plate) just as it reaches the plate, how far from the plate must the launch point be?
A highway curve with a radius of 555 m is banked properly for the car travelling 150 km/h. If a 1650 kg Porshe 928 S rounds the curve at 220 km/h, how much sideways force must the tires exert against the road if the car does not skid.
You tie a cord to a pail of water, What minimum speed must you give the pail at the highest point of the circle if no water is to spill from it
A coin is placed 18.0cm from the axis of a rotating turntable of variable speed. obtain the coefficient of static friction between the coin and the turntable
What is the highest speed with which an 1180-kg car can round a turn of radius 75.00 m on a flat road if the coefficient of static friction between tires and road is 0.80.
For the infinite square well problem an electron spends 40% of its time in the n=3 state and 60% of its time in the n=5 state. What is the average energy of the electron
When only a resistor is connected across the terminals of an ac generator (102 V) that has a fixed frequency, there is a current of 0.495 A in the resistor. calculate the impedance of the series combination
A plane is flying with an airspeed of 266 miles per hour with heading 272.7 deg the wind currents are running at a constant 45.7 miles per hour in the direction 238.6 deg
An object with mass 3.0kg is executing simple harmonic motion, attached to a spring with spring constant 320N/m, Calculate the maximum speed attained by the object
A diatomic gas does 320 J of work and also absorbs 600 cal of heat. What is the change in internal energy of the gas?
starting from resta 10 cm diameter compact disk takes 3.0 s to reach its operating angular velocity of 2200 rpm. assume
what are some popular voltagecurrentresistance analogies? what are some ways you have learned about or will learn about
A rod pushes with a force of 23N on a cable that holds an 84N sign. what is the tension force on the cable
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