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Three point charges have equal magnitudes, two being positive andone negative. These charges are fixed to the corners of anequilateral triangle, as the drawing shows. The magnitude of eachof the charges is 5.0 μC, and the lengths of the sides of thetriangle are 2.5 cm. Calculate the magnitude of the net force thateach charge experiences.
Two identical spacecraft are to be accelerated by rockets. The first rocket fires with a force 4 times as large as that of the second rocket. The acceleration of the first rocket is how many times as vast as the acceleration of the second rocket.
A Carnot engine whose high-temperature reservoir is at 680{\rm K} takes in 530{\rm J} of heat at this temperature in each cycle, What is the temperature of the low-temperature reservoir
The ceiling of a classroom is 3.75m above the floor. A student tosses an apple vertically upward releasing it 0.5m above the floor. find the maximum initial speed that can be given to the apple
assess the benefits brought about by the application of lean techniques at wiremold. explain your answer by describing
Suppose the ball is thrown from the same height as in the above problem at an angle of 36.0°below the horizontal. find the speed and angle of the velocity vector with respect to the horizontal at impact
A 7.00 N window washer is standing on a uniform scaffold supported by a vertical rope at each end. What is the force in each rope when the window washer stands 1.00 m from one end
An RL circuit consists of a switch, an emf source Eo, a 4 kΩ resistor, and a 5 H inductor. If the potential across resistor is 16 V 5 ms after switch is closed, find out the source emf, Eo.
By using integral calculus, find the area of the region bounded by the graphs of y = x^2 and y = 4. (x and y are in meters.) Calculate the rotational inertia of this object when it is spinning around y-axis.
you throw a stone upward with an intial speed of 5.8m/s from a third-story office window. Find the speed of the stone just before it hits the ground
Three masses ( 3kg 5kg 7kg) are located in the xy-plane at the origin, (2.3 m, 0), and (0, 1.5 m), respectively. Determine the center of mass of the system
if you blow across the top of an empty bottle to create a sound [fundamental frequency]with a wavelength lemda, what is the length of cavity inside the bottle
The electric output of a power plant is 790MW. Cooling water flows through the power plant at the rate 0.600*10^8 L/hr. What is the power plant's thermal efficiency
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