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Two charges, -17 C and +5.5 C, are fixed in place and separated by 2.3 m. (a) At what spot along a line through the charges is the net electric field zero? Give the distance of the spot to the positive charge in meters (m). (Hint: The spot does not necessarily lie between the two charges.) (b) What would be the force on a charge of +14 C placed at this spot?
Moist air with dry and wet bulb temperatures of 20oC and 9oC respectively enters a steam-spray humidifyer at rate of 100 kg of dry air/min. Saturated water vapor at 110oC is injected at 1 kg/min.
The position of an object connected to a spring varies with time according to the expression x = (4.3 cm) sin(6.9?t). Find the amplitude and frequency of the motion
A motorist drives south at 28.0 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.20 min, find the total vector displacement
in a two-silt experiment the silt separation is 3.00 x 15-5 m. the interference pattern is recorded on a flat screen-
The drag force acting on a sphere moving through a liquid like water is given by F=6?vr? where F is the drag force, v is velocity of the sphere, r is radius of the sphere, What are the dimensions of viscosity
question1as at rest two trains has sirens that release a frequency of 300 hz. the trains travel toward one another and
Capacitors C1= 13 uF and C2=25 u F are each charged to 15 V , then disconnected from the battery without changing the charge on the capacitor plates. estimate the potential difference across each capacitor
A uniform plank of length 2m and mass 29kg is supported by three ropes, as indicated by the blue vectors. Find the tension in each rope when a 690N person is 0.500m from the left end.
Two identical +9.5uC point charges are initially 3.5cm from each other. If they are released at the same instant from rest, hoe fast will each be moving when they are very far away from each other? suppose they have identical masse of 1mg.
A mass (m) 100g is released from rest from 1.0m above the horizontal level. Find the vertical acceleration of the mass
three identical conducting spheres form an equilateral triangle of side length d 17.5 cm. the sphere radii are much
The width of the ribbon normal to a radius vector originationg at the star's center is much greater than the thickness of the ribbon in the radial direction.
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