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The energy for the 5s valence electron in rubidium (Z=37) has energy ?4.18 electron volts. What is the effective nuclear charge Zeff experienced by this electron?
An object of mass 279.948159 g executes SHM with an amplitude of 15.523567 cm and a period 26.969187 s. Find the force acting on the object at time 1.403065 s
What is specific gravity of this other fluid
Two charged balls are 20.0 cm apart. They are moved, and force on each of them is tripled. How far apart are they now.
the coyote accidentally runs off the edge of a cliff and plummets to the ground 30.0 m below. Illustrate what force does the ground exert on the coyote as he makes a coyote-shaped dent 0.420 m deep in the ground?
A day on a distant planet observed orbiting a nearby star is 31.7 hours. Also, a year on the planet lasts 79.5 Earth days.* Calculate the average angular speed of the planet
You are given 35.000 cm of copper wire with diameter 2.0000 mm. It is formed into a circular loop, At what rate is thermal energy generated in the loop
A large tank opens to the air full of water has a small hole in it 2.0 m from the top. How fast is the water shooting horizontally of the hole
A 69.00 kg person on skis is going down a hill sloped at 30° from the horizontal. The coefficient of friction between the skis and the snow is 0.20. What would be magnitude of the acceleration.
A plane mirror and the concave mirror (f = 8.70 cm) are facing each other and are separated by a distance of 23.0 cm. An object is placed between the mirrors and is 11.5 cm from each mirror.
A 5g bullet leaves the muzzle of a rifle with a speed of 320 m/s. What force (assumed constant) is exerted on the bullet while it is traveling down the 0.81 m long barrel of rifle.
Illustrate what is the velocity of the second block after the bullet imbeds itself? (b) Find the ratio of the total kinetic energy after the collision to that before the collision.
Classically, the electron cannot pass through the barrier because E
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