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Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons.
(a) How many electrons are there in 8.41 liters of water? (1 liter is equivalent to 1.00 × 10-3 m3)
(b) What is the net charge of all these electrons?
The polarizing direction of the first sheet is parallel to the x axis, that of the second sheet is at an angle of 30 degree counter-clockwise from the y axis, and that of the initial third sheet is at an angle of 60 degree counter-clockwise from t..
A 71kg student runs at 6.0m/s , grabs a hanging rope, and swings out over a lake. He releases the rope when his velocity is zero, What is the angle when he releases the rope
A candle is placed 16.85 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, Find the focal length of the convex mirror
A loudspeaker diaphragm is oscillating in simple harmonic motion with a frequency of 330 Hz, What is the magnitude of the maximum acceleration
A stream of water strikes a stationary turbine blade horizontally, as the drawing illustrates. Find the magnitude of the average force exerted on the water by the blade
A viral preperation was inactivated in a chemical bath. The inactivation process was found to be first order in virus concentration, and at the beginning of the experiment 2.0% of the virus has found to be inactivated per minute.
A solid cylinder has a mass of 3.2kg and a radius of 0.6m. find the linear acceleration of the center of mass of the cylinder?
A penny of mass 3.10 g rests on a small 20.0-g block supported by a spinning disk
A woman flying aerobatics executes a maneuver r = 380m, Determine the value of the centripetal force acting on the woman flying the airplane when at the top of the loop
An isolated capacitor of unknown capacitance has been chargedto a potential difference of 100 V. Calculate the unknown capacitance
work function of potassium is 2.225 eV. Find the cutoff wave length of potassium, find the frequency of the x-ray
Two small identical conducting spheres are placed with their centers 0.74 m apart. One is given a charge of 1.2 10-8 C, the other a charge of ?2.2 10-8 C. Find the electrostatic force exerted on one sphere by the other
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