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Some of the earliest atomic models held that the orbital velocity of an electron in an atom could be correlated with the radius of the atom. If the radius of the hydrogen atom is 6.83?10?11m and the electrostatic force is responsible for the circular motion of the electron, what is the kinetic energy of this orbital electron?
A charge of ?3.00nC is placed at the origin of an xy-coordinate system, find the x and y components of the total force and Find the direction of this force
What is the magnitude of vertical component of its velocity as it strikes the ground.
A wave has the following properties: amplitude = 0.208 m, period = 0.687 s, wave speed = 13.7 m/s. The wave is traveling in the -x direction
Each cable has a length of l = 2.90 m. Illustrate what is the tension T in each of the cables? Use 9.80 m/s2 for the magnitude of theacceleration due to gravity.
Compute the speed of the water just before striking the turbine blades (neglect air resistance).
A 15-microF capacitor is connected to a 50-V battery and becomes fully charged, what is the voltage across the capacitor's plates after the slab is inserted
A barge has vertical sides and a flat bottom of 320 ft^2 area. when partially filled, the barge is immersed in fresh water to a depth of 2 ft. upon removal of the load the barge rises 16.0 in.
Determine the position of the GPS satellite relative to and from the center of the earth and ratio of clock rates on a GPS clock in orbit and one on the surface of the earth.
Determine the magnitude (in mN) and direction (relative to the negative x-axis in degrees) of the force acting on a particle with charge q3 = +11 nC placed at the origin.
A 0.255 kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.200 kg puck that is initially moving along the x axis with a velocity of 2.06 m/s. After the collision, the 0.200 kg puck has the speed of 1.02 m/s at an ang..
During a do-it-yourself roof repair project, you are on the roof of your house and accidentally drop your hammer, What is the horizontal distance traveled by the hammer between the instant it leaves the roof and the instant it hits the ground
A) Find v so that the rod swings up and is horizontal at the max height of the bob. B) Find the minimum v so that the rod will make a complete circle C) Find v so that the tension in the rod is zero at the top of its swing.
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