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An electron is 2cm away from a line whose charge density is 3pC/cm. It is moving away perpendicularly at 1000 km/s. How far will it travel before reversing direction?
A thin spherical shell of mass 0.25 kg and radius 0.15 m is released from rest from the top of a 3.0-m high ramp. What would the linear speed be at the bottom
A rifle is aimed horizontally at a target 50.0 m away, What was the bullet's flight time and What was the bullet's speed as it left the barrel
A 8.80-kg block of ice, released from rest at the top of a 1.33m--long frictionless ramp, slides downhill, reaching a speed of 2.61m/s at the bottom. What would be the speed of the ice at the bottom
The 6.275 kg sledge hammer shown on the right has a small hole drilled at point "P" and a metal rod is inserted to act as a low-friction pivot. When the hammer is displaced slightly and allowed to swing from the pivot, its period of oscillation is ..
There is air on both sides of a soap film. What is the smallest thickness that the soap film (n=1.42) can have and appear bright if illuminated with 431?nm light
A sample containing beryllium (atomic mass 9 u), aluminum (27 u), and an unknown element is placed in a mass spectrometer. What is the mass of the unknown element
A certain freely falling object, released from rest, requires 1.35 s to travel the last 24.0 m before it hits the ground. Find the total distance the object travels during the fall
Light is incident on a slit 0.750 mm wide. On a screen 2.00 m away, the distance from the central maximum to the first minimum is 1.35 mm. compute the wavelength of the light.
A sound wave frequency 256Hz is propagating in air at 343m/s/ How far apart are two points on the wave that differ in phase by pi/2 and 90
In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 470 nm. What is the stopping voltage required if light of wavelength 410nm is used
A square loop of Cu wire 4.00cm on an edge is lying on a horizontal table. An electromagnet above the square loop is turned on to produce a magnetic field. what is the power loos in the loop
A 3000 flask is initially open while in a room containing air at 1 and 20 . The flask is then closed and immersed in a bath of boiling water. When the air in the flask has reached thermodynamic equilibrium, flask is opened and air is allowed to esc..
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