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Three charges are located along the x-axis. Charge A (+5.00x10-6 C) is located at the origin. Charge B (+4.5 x 10-6 C) is located at x=+.650m. Charge C (-4.2 x 10-6 C) is located at x=-.650m. Find the total force (and direction) on charge B.
The area of the opening can be calculated from pi (3.1416) times the radius squared. If your pupil is open to a radius of 3.5 mm, explain how much light energy passes through in one minute? Give your answer in mJ.
A 240g block on a 60cm-long string swings in a circle on a horizontal, frictionless table at 70rpm.
A nonconducting solid sphere of radius R has a volume charge density that is proportional to the distance from the center. That is, ? = Ar for r R, where A is a constant. (Use the following as necessary: 0, A, r, and R, as necessary.)
The blue ball moves at an angle of -35° and a velocity of 2.1 meters/second. What is the final y-momentum of the system?
A Molecule of DNA is 2.17 um long. The ends of the molecule become strongly ionized: negative on one end, positive on the other. The helical molecule acts like a spring and compresses 0.78% upon becoming charged. Determine the effective spring con..
What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20 ^circC? Suppose that the air bubble is always in thermal equilibrium with the surrounding water.
A parallel plate capacitor is connected to a battery. The space between the plates is filled with air. Find the electric field inside the dielectric
A sledge loaded with bricks has a total mass of 17.8 kg and is pulled at constant speed by the rope inclined at 20.4° above the horizontal. The sledge moves a distance of 20.7 m on a horizontal surface. The coefficient of kinetic friction between ..
A horizontal force, F1= 75N, ad a force, F2=15.4N acting at an angle of theta to the horizontal, are applied to a block of mass m= 2.9kg, what is normal force
a 66.0-kg woman in an elevator is accelerating upward at a rate of 2.8m/s^2. What is the net force acting on the woman
A car travelling at 37 {rm m/s} runs out of gas while travelling up a 7.0{rm ^ {circ}} slope. How far would it coast before starting to roll back down.
A parallel plate capacitor has plates of area 2.0*10^3 and plate separation 1.0*10^4m. find the capacitance of this system if air fills the volume between the plates.
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