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In a crude model of a rotating diatomic molecule of chlorine (Cl2), the two Cl atoms are 2.00 multiplied by 10-10 m apart and rotate about their center of mass with angular speed ? = 1.00 multiplied by 1012 rad/s. What is the rotational kinetic energy of one molecule of Cl2, which has a molar mass of 70.0 g/mol.
A certain cable car in San Francisco can stop in 10s while travelling at maximum speed. On one occasion, driver sees a dog a distance d m in front of the car and slams on the brakes instantly.
Electrons accelerated by a potential difference of 13.08 V pass through a gas of hydrogen atoms at room temperature, Calculate the wavelength of light emitted with the shortest possible wavelength
A cylinder 25 cm long is partly filed with water. A loudspeaker held over the cylinder causes the air column to resonate, what is the hight of the water in the cylinder
Cables that are used to support structures sometimes need to be tested in place to ensure that they are in good shape and at the proper tension. One way to do this is to send waves through them and examine the speed and other properties of the wav..
The two surfaces of a plastic converging lens have equal radii of curvature of 25.0cm, Calculate the index of refraction of the plastic
A car with a mass of 1600 kg is initially traveling at 72 m/s. Find the energy required to stop the car
For this question, I got 196 nC but apparently its -196 nC and i was hoping you could explain why the answer is negative: A styrofoam ball of mass 0.120 g is placed in an electric field of 6000 N/C pointing downward. What charge must be placed on ..
We want to model the flow of water in a 15 cm diameter pipe at m/s. Our air blower produces 14 x 10-3 m3/s. What pipe diameter, in cm, should we use for the air
A swimmer, capable of swimming at a speed of 1.44 m/s in still water (i.e., the swimmer can swim with a speed of 1.44 m/s relative to the water), How long does it take the swimmer to cross the river
A classroom demonstration is done with an Atwood machine. The masses are m1 = 1.0 kg and m2 = 1.14 kg. what is the acceleration of gravity at that place
An immersion heater used to boil water for a single cup of tea plugs into a 120 V outlet and is rated at 300 W. What is the Resistance of the Heater
A 0.15 kg ball hits a wall with a velocity of (4.00 m/s) + (6.50 m/s) + (5.00 m/s) . It rebounds from the wall with a velocity of (2.00 m/s) + (3.50 m/s) + (-3.20 m/s). What is the change in the ball's momentum
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