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An electron and proton are attached to an x axis, with the electron at x = +1.00 m and the proton at -1.00 m.
(a) How much work is required to bring an additional electron from infinity to the origin of the axis.
(b) if, instead of the second electron coming in from infinity, its initially at x = +20.00 m on the x axis and is given an initial velocity of 500.0 m/s toward the origin, does it reach the origin? If so, what is its speed the instant it reaches the origin? If not, how close to the origin does it come.
An intergalactic rock star bangs his drum every 1.52 s. A person on earth measures that time between beats is 2.10 s. How fast is the rock star moving relative to the earth.
why do you think that it takes a significantly stronger electric field strength to move the beam of alpha particles
Consider a system composed of a mixture of 2.50kg of ice and 50 gr of liquid water and a small separate container of finely powdered salt. This physical system is contained in a fully insulated container that prevent.
Just as you are about to step into a nice hot bath, a small earthquake rattles your bathroom. What is the speed of the waves that are reflecting back and forth inside the tub to create the standing wave
the electric field at the point x 5.00 cm and y 0 points in the positive x direction with a magnitude of 15.0 nc. at
a hotel elevator ascends 200 m with a maximum speed of 5.2 ms. its acceleration and deceleration both have a magnitude
Three liquids are at temperatures of 5.0°C, 21°C, and 33°C, respectively. Equal masses of the first two liquids are mixed, Find the equilibrium temperature when equal masses of the first and third are mixed
A river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore with maintaining a constant velocity of 11.0 m/s due north relative to the water. What is the velocity of the boat relative to shore?
An industrial flywheel with a moment of inertia of 445kg?m2 rotates with a speed of 6500rpm. How much work is required to bring the flywheel to rest
A certain lightbulb has a tungsten filament with a resistance of 18.0 when cold and 138 when hot. Find the temperature of the hot filament
A TV remote control emits IR light. If the detector on the TV set is not to react to visible light, What is the shortest-wavelength light that can strike silicon without causing electrons to jump from the valence band to the conduction band
Suppose that a police car on the highway is moving to theright at 27 m/s, while the speeder is coming up from behind at aspeed of 39 m/s, both speeds being with respect to the ground. Which wave has the greater frequency
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