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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 6.48 liters of water? (1 liter is equivalent to 1.00 × 10-3 m3)
(b) What is the net charge of all these electrons?
The electric field strength is 40800 N/C inside a parallel-plate capacitor with a 2.2 mm spacing. obtain the proton's speed when it reaches the negative plate
At a grinding wheel has an angular velocity of 27. It has a constant angular acceleration of 26.0 until a circuit breaker trips at time = 1.60 . From then on, it turns through an angle 433 as it coasts to a stop at constant angular acceleration.
The inductance of a closely packed coil of 350 turns is 9.5 mH. Calculate the magnetic flux (per winding) through the coil when the current is 5.0 mA
A bullet of mass 0.018kg traveling horizontally at a high speed of 290m/s embeds itself in a block of mass 4 kg that is sitting at rest on a nearly frictionless surface.
A jet flying at 132 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, and the mass of the jet is 1.88 105 kg
A movie stuntwoman drops from a helicopter that is 29.0 above ground and is moving with a constant velocity whose components are 8.00 upward and 18.0 horizontal and toward south. You can ignore air resistance.Where on the ground (relative to the p..
A skier wears a goose down jacket of thickness 3.75cm and total surface area of 1.25m^2. determine the temperature at the surface of the skin
Unpolarized light passes through two Polaroid sheets. The transmission axis of the analyzer makes an angle of 40.1° with the axis of the polarizer. What fraction of the original light is absorbed by the analyzer
What was the initial negative charge on one of the spheres, and what was the initial positive charge on the other? (Hint: Use charge conservation and solve for one of the initial charges. You would end up with a quadratic equation. The solutions g..
Your roommate is working on his bicycle and has the bike upside down. He spins the 70.0cm -diameter wheel, What is the pebble's speed and acceleration
Intense white light is incident on a diffraction grating that has 720 lines/mm. What is the angular separation between the violet edge (400 nm) and the red edge (700 nm) of the first order spectrum produced by the grating
An object in the shape of a thin ring has radius a and mass M. What is the gravitational force that the sphere exerts on the ring-shaped object
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