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Two stationary positive point charges, charge 1 of magnitude 3.50nC and charge 2 of magnitude 1.60nC , are separated by a distance of 38.0cm . An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges. What is the speed vfinal of the electron when it is 10.0cm from charge 1?
A car is driving directly north on the freeway at a speed of 114 km/h and a truck is leaving the freeway driving 92 km/h in a direction that is 30° west of north
The motion of the pistion o fan automobile engine is SHM. if the stroke of an engine (twice theamplitude) is 4 in. and the angular velocity is 3600 rev/mincompute the acceleration of hte pistion at the end of itsstroke
A satellite is placed between the Earth and the Moon, along a straight line that connects their centers of mass. The satellite has an orbital period around the Earth that is the same as that of the Moon, 27.3 days. How far away from the Earth should ..
A cylindrical brass rod (cross-sectional area = 1.3 x10-5 m2) hangs vertically straight down froma ceiling. By how many degrees must the temperature be lowered
The drill used by most dentists today is powered by a small air-turbine that can operate at angular speeds of 302000 rpm. Calculate the angular acceleration produced by the drill
A block of mass 10 kg rests on a horizontal surface. The coefficient of sliding friction is 0.1. What is the mass of the pulley if it is a solid cylinder
An electron moves in a circular path perpendicular to a constant magnetic field with a magnitude of 1.00 mT. Determine the radius of the circular path
A car moves with an initial velocity of 5m/s and is subjected to a deceleration of 3m/s2 for 2 seconds. Calculate the distance the car traveled
While crossing campus you get your directions mixed up. You start traveling 278 m East; you then travel 101 m traveling 37 North of East, What is your final distance from where you started
In a certain toy telescope front lens (the objective lens) has a focal length of 75 mm and the objective lens has a focal length of 10 mm. What is the magnification of the telescope
A 75kg person goes down a straight slide inclined at 32 degrees above the horizontal. what is the persons acceleration
A heater runs on an AC voltage of 120 V and draws a power of 44 W. If this heater were run instead on a DC voltage of 90 V, how much current would flow through the heater
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