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The electric potential at a position located a distance of 18.9 mm from a positive point charge of 8.70×10-9C and 13.9 mm from a second point charge is 1.42 kV. Calculate the value of the seco
The burner on an electric stove has a power output of 2.0kW. A 760g stainless steel tea kettle is filled with 20oC water and placed on the already hot burner.
An electron moving parallel to the x axis has an initial speed of 4.06 106 m/s at the origin. Its speed is reduced to 1.12 x 105 m/s at the point x = 2.00 cm. (a) Calculate the electric potential d
How many electrons should be removed from an initially uncharged spherical conductor of radius 0.200 m to produce a potential of 9.00 kV at the surface?
A charge of +.4 mC is at (-5, 0) meters and a charge of -.6 mC is at (+3, 0) meters. a) Find the magnitude of the electric force between these charges.
A positive charge of 5.30 oC is fixed in place. From a distance of 3.80 cm a particle of mass 6.00 g and charge +3.60 oC is fired with an initial speed of 64.0 m/s directly toward the fixed charge.
Neglect air resistance for the following. A soccer ball is kicked from the ground into the air. When the ball is at a height of 11.35 m, its velocity is (vx,vy) = (6.13,4.59) m/s. a) what is the ma
The tennis ball covers a horizontal distance of 14.014 m before it hits the ground. At what height h above the ground was the tennis ball launched?
A inverted cylindrical container is lowered slowly beneath the surface of a pool of water. Air trapped in the container is compressed isothermally as the hydrostatic pressure inc
Two identical conducting spheres each having a radius of 0.500 cm are connected by a light 1.90 m long conducting wire. A charge of 65.0 µC is placed on one of the conductors. Assume the surfa
An inverted cylindrical container is lowered slowly beneath the surface of a pool of water. Air trapped in the container is compressed isothermally as the hydrostatic pressure increases. Develop an
A line of charge with uniform density of 40.0 nC/m lies along the line y = -15.0 cm, between the points with coordinates x = 0 and x= 32.0 cm. Find the electric field it creates at the origin. Answe
A Boeing 747 "Jumbo Jet" has a length of 61.3 m. The runway on which the plane lands intersects another runway. The width of the intersection is 27.0 m. The plane decelerates through the intersectio
These capacitors are then disconnected from their batteries, and the positive plates are now connected to each other and the negative plates are connected to each other. What will be the potential d
You would like to draw an additional equipotential surface, which is separated by 15.5 V from the previously mentioned surface. How far from the point charge should this surface be?
A fan at a rock concert is 35.0m from the stage, and at this point the sound intensity level is 108dB . Sound is detected when a sound wave causes the tympanic membrane (the eardrum) to vibrate . T
A 2000 lbm automobile is driving down a level road at 70 mph. The engine is disengaged and the automobile is allowed to coast. After 7 seconds, the speed of the automobile is 60 mph. Use this inform
The star Vega has a measured angular diameter of 3.24 mas (milliarcseconds) and a flux of 2.84 x 10-8 W/m2. Its distance is 8.1 pc. What are Vega's diameter and effective temperature?
A bullet weighing 50 grams and traveling at 200 m/s is shot into a stationary block of wood weighing 4 kg where it lodges. Determine how much each of the following changes from before the bullet str
A 1 kg projectile is shot straight up from the earth's surface with a velocity of 100 m/s and reaches a height of 300 m before it reverses course and starts downward. How much work did the surroundi
The cannon points in the direction that the train is moving. What is the horizontal range observed by a person standing on the ground?
Let the sign of Q2 be changed from positive to negative. At which position can the point charge q be placed now so that the net electrostatic force on it is zero?
The width of the Grand Canyon varies from place to place, but suppose that Mr. Knievel attempts to jump across at a point where the width is about 4.18 miles, and the two rims are at the same altitu
Radioactive isotopes decay according to a first order process. If N(t) is the number of atoms of a radioactive isotope at time t, then N(t)=N(0)e^(-kt).