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Four charges are arranged in a rectangle with a length of 21 cm, and width of 15 cm. The charge on the top left corner is 4nC, the charge on top right corner is -3nC, the bottom right corner has a charge of 6nC, and the bottom left corner has a charge of 1nC. determine the force on the 1nC charge.
How much force is needed to hold a 7.0 cm diameter hose delivering 440 L/min through a 0.73cm diameter nozzle.
What is the friction force that acts on the firefighter. find Max wavelength and Min wavelength.
If a person were to push hardly on a solid wall will the work be done? Also, why would it be exhausting to push hardly against this solid wall?
An electron is projected with an initial speed 1.00×106 into the uniform field between the parallel plates. Suppose that field between the plates is uniform and fixed vertically downward, and that field outside the plates is zero. The electron enters..
A stockroom worker pushes a box with a mass 11.2kg on a horizontal surface with a constant speed of 3.50m/s. coefficient of kinetic friction between the box and the surface is 0.20.
What would be the equilibrium temperature when a 256 g block of copper at 314 °C is placed in a 140 g aluminium calorimeter cup containing 827 g of water at 11.5 °C.
Find the equation for the acceleration of the moving body at any time.
A dock worker applies a stable horizontal force of 79.0 {rm N} to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves 14.0 {rm m} in the first 6.00 {rm s}.What is the mass of the bl..
A student throws a water balloon vertically down from the top of a building. The balloon leaves the thrower's hand with the speed of 16 m/s. How fast is it traveling after 2.6 seconds.
The springs of a 1300kg car compress 6.00 mm when its 68 kg driver gets into the driver's seat. If the car goes over a bump, what would be the frequency of vibrations.
A particle moving along the x axis in simple harmonic motion starts from its equilibrium position, the origin, at t = 0 and moves to the right. The amplitude of its motion is 1.70 cm and the frequency is 1.30 Hz.
The light ray makes an angle of α = 32.1° with the normal line at the boundary of linseed oil and water. find the angles θ1 and θ2. Note that n = 1.48 for linseed oil.
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