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A -10uC charge is 3cm away from a +10uC charge. and is 4cm to the left from a +64uC charge. Find the net force on the +10uC charge
A +10uC charge is 20cm away from a -40uC charge. Detrmine the field of intensity
In the quark model of fundamental particles, a proton is composed of three quarks: two "up" quarks, each having charge +2e/3, calculate the potential energy of the subsystem of two "up" quarks
what is the fundamental mechanism by which enzymes enhance the rate of chemical reactions?
Consider two widely separated conducting spheres, 1 and 2, the second having four times the diameter of the first. What is the ratio of the final surface charge density of spheres
Helium-oxygen mixtures are used by divers to avoid the bends and are used in medicine to treat some respiratory ailments. What percent (by moles) of He is present in a helium-oxygen mixture having a
A 69-kg lumberjack stands at one end of a 409-kg floating log, as shown in the figure. Both the log and the lumberjack are at rest initially. calculate the lumberjacks speed relative to the shore
Calculate the percent ionization of 0.10 M butanoic acid (Ka = 1.5 x 10-5) in a solution containing 0.050 M sodium butanoate.
Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 1.00 m. compute the magnitude of the initial acceleration of the third sphere
If one added 0.01 M of CaCl2 to this solution, how many moles of Ca(OH)2 will now dissolve in 1.0 L of water containing this concentration of CaCl2
Using a simply pulley/rope system, a crewman on an Arctic expedition is trying to lower a 5.52 kg crate to the bottom of a steep ravine of height 23.9 meters. At what speed will the crewman hit the
Calculate the force required to pull a copper ball of radius 3.00 cm upward through a fluid at the constant speed 6.00 cm/s
A parallel-plate capacitor is made from two aluminum-foil sheets, each 5.6 wide and 6.0long. evaluate the capacitance of this capacitor
A 2.0 kg object moving with a velocity of +6.0 m/s collides with a 6.0 kg object that is initially at rest. Find the energy lost in the collision.
A dragster drives a quarter mile (402 m) at a constant rate of acceleration, starting from rest and finishing the race at a final speed of 450 km/hr. what average power was developed by the engine
The current in a 100 watt lightbulb is 0.800 A. The filament inside the bulb is 0.220 mm in diameter. What is the current density in the filament
Stopping a 747 A 747 jetliner lands and begins to slow to a stop as it moves along the runway. find How far has it traveled in this time
Can anyone help me with bromination and why it is more selective than chlorination. We have to use endo and exothermic graphs to explain
A proton moves in a circular path perpendicular to a 1.19 T magnetic field. Calculate the energy of the proton in eV
a circular loop of radius 1.00 m is placed in a magnetic field of magnitude of 0.500 T. find the magnetic moment of the loop
An old-style TV set places 50 kV across two plates of a parallel plate capacitor. An electron is released very close to one plate, find the speed of the electron when it exits the hole in the plate
A positive charge, Q = 45 is placed on the x-axis at x = -1.9 cm. A positive charge which is twice as large is brought from infinity to a point x = +1.9 cm on the x-axis. what would be the speed of
A list of compiled anhydrous masses for Na2CO3, CaSO4, and MgSO4 and I have to find the molar ratio of these anhydrous masses. The compiled list is from every section of chemistry, Different masses
A 1.8 cm --tall object is 15 cm in front of a diverging lens that has a -18 cm focal length. compute Is the image erect or inverted
Find the electric energy density between the plates of a 225- parallel-plate capacitor. The potential difference between the plates is 360