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The work done by an external force to move a -7.75 µC charge from point a to point b is 25.0 ? 10-4 J. If the charge was started from rest and had 4.90 ? 10-4 J of kinetic energy when it reached point b.
What is the magnitude of the potential difference between a and b?
Two carts have a compressed spring between them and are initially at rest. One of the carts has total mass, including its contents, of 7.0 kg, and the other has total mass of 5.0 kg. If the 5.0 kg cart is moving at 3.0 m/s after the spring is allowed..
A diverging lens (f = -12 cm) is located 20 cm to the left of a converging lens (f = 35.0 cm). A 3.00 cm tall object stands to the left of the diverging lens, exactly at its focal point.
A 1.0-kg block of ice is initially at 0°C. Heat is added to this system, and the entropy is increased by 357.1 J/K. How much of the ice melts
An airplane flies due south at 155km/h relative to the air. There is a wind blowing at 89 km/h to the east proportionate to the ground. What are the plane's speed and direction relative to the ground.
define the magnitude of the initial velocity. use 9.81 m/s^2 for the acceleration due to gravity on earth.
the diameter of the vessel is 5.6 mm. In a 0.60-T magnetic field illustrate what is the magnitude of the voltage that is measured with the electrodes in the drawing?
A proton is moving in an uniform electric field of part (a). At point A, the velocity of the proton is 1.90 X 104 m/s, east. What is the speed of proton at point B.
suppose the apparatus as used in this lab: A cube of mass M = 500 g and side length 30 mm is free to spin on an axis through the center of one face. A massless pulley on this axis has a diameter of 2r = 10 mm. An object with m = 50 g is hung from ..
At this time it has reached a height of 420 metres above launch pad and attained an upward velocity of 50 ms-1. From this time on, the rocket has constant upward acceleration -10 ms-2 (due to the effect of gravity alone).
Suppose you wish to fabricate a uniform wire from 1.60 g of copper. The wire is to have a resistance of R = 0.580 ? and all the copper is to be used, What must be the length of this wire
Find out the maximum height reached by the rocket.
If the Hawaiian hot spot is a fixed hot spot, which of directions is closest to the direction that the Pacific Plate was apparently moving as the Emperor Seamount Chain formed.
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