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An arrangement of two particles each having charge Q= -6.8 nC and each separated by 5.0 mm from a proton. If the two particles are held fixed at their locations and the proton is set into motion from the middle point. What is the minimum speed the proton needs to totally escape from these particles? (m proton= 1.67 x 10^-27 kg, e= 1.60 x 10^-19, k= 9.0 x 10^9).
A 3.0mm -diameter ball bearing has 4.0 x 109 excess electrons. What is the ball bearing's potential
One wire in a high voltage transmission line carries 1000 Amp starting at 500 kV for a distance of 300 meter. determine the power loss due to resistive losses
A 80.0 Hz generator with an rms voltage of 150 V is connected in series to a 3.20 k ohm resistor, estimate the phase angle between the current and the voltage
Initially stationary (the train starts at rest), a train has a constant acceleration of 0.6 m/s2, What is its speed after 21 s
An object initially at rest breaks into two pieces as a result of an explosion. One piece has twice the kinetic energy of the other piece. What is the ratio of the masses of the two pieces
Biological muscle cells can be thought of as nanomotors that use the chemical energy of ATP to produce mechanical work. How much work is done by such proteins
A ball is thrown straight upward with a velocity of 39m/s. How much time passes before the ball strikes the ground
The takeoff speed for an Airbus A320 jetliner is 74m/s. Velocity data measured during takeoff are as follows: t(s) 0 10 20 30 40 Vx (m/s) 0 20 40 60, At what time do the wheels leave the ground
a 104 w lightbulb has a resistance of about 12 when cold 20degc and 137 when on hot. estimate the temperature of the
A rock climber throws a small first aid kit to another climber who is higher up the mountain. What is the vertical height between the two climbers
A pendulum makes 24 oscillations in 39s. The period is 1.6 s 1. Find the pendulum's length
A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.94 m, 5.13 m) while a constant force acts on it. How much work is done by the force on the coin during the displacement
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