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You are given a container with 5.0g of hydrogen atoms. What is the total charge on the electrons in the container? What is the total charge on the protons? Please show how you got the answers
A positron is a particle of "antimatter"; it has the same mass as an electron (9e-31 kg), but its charge is positive instead of negative. At research facilities such as Cornell Electron Positron Storage Ring at Cornell University in New York, high..
A particle of mass M decays into two identical particles each of mass m, where m = 0.4M. Prior to the decay, the particle of mass M has a total energy of 4 Mc2 in the laboratory reference frame. The velocities of decay product are along the directi..
A resistor is connected across the terminals of a 9 V battery, which delivers 1.27E+5 J of energy to the resistor in 8.00 hours
Calculate the energy density in the electric field. After the collision, the club head travels (in the same direction) at 46 m/s. Find the speed of the golf ball just after impact.
A light bulb is connected to a 260V potential, and produces 120-Watts of light and heat. What is the resistance of the wire in the light bulb and how much current does it sends through the heart
The infamous chicken is dashing toward home plate with a speed of 5.70 m/s when he decides to hit the dirt. The chicken slides for 1 s, just reaching plate as he stops (safe, of course).
The ball strikes the floor at a speed of 7.8 m/s. Illustrate what was the initial speed of the ball? Assume that air resistance is negligible.
Assuming that air resistance is simply a constant 95 N force on the person during the fall, evalute the person’s velocity just before hitting the net.
Examine that, for gold, the volume of water displaced will be 51.8 cubic centimeters.
Bacteria vary somewhat in size, but a diameter of 2.00?m is not unusual, What would be surface area (in square millimeters) of such a bacterium, assuming that it is spherical
A 0.24 meter stick balances at its center. If a necklace is suspended from one end of the stick, the balance point moves 8 toward that end. Is the mass of necklace more than, less than, or the same as that of the meter stick.
A 800kg car pushes a 1800kg truck that has a dead battery. When the driver steps on the accelerator, What is the magnitude of the force of the car on the truck
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