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A father racing his son has 1/2 the kinetic energy of the son, who has 1/3 the mass of the father. The father speeds up by 1.5 m/s and then has the same kinetic energy as the son. What are the original speeds of (b) the son?
Consider N atoms confined on a surface of area A at temperature T. The atoms form a two-dimensional (2D) gas of classical, non interacting particles.
Ina mass spectrometer, ions are directed into a magnetic field, where they curve around in the field and strike a detector. If several singly ionized atoms travel at the equal speed through the magnetic field, would you expect them all to be defle..
A cylindrical aluminum pipe of length 1.43 m has an inner radius of 2.00 10-3 m and an outer radius of 3.00 10-3 m. What is the resistance of this unit
A spherical capacitor contains a charge of 3.20 nC when connected to a potential difference of 220 V, Calculate the radius of the inner sphere
The centers of a 11kg lead ball and a 100g lead ball are separated by 9 cm. what is the ratio of this gravitational force to the weight of the 100 g ball.
A 650 kg weather balloon is designed to lift a 4600 kg package. What volume should the balloon have after being inflated with helium 0 degrees Celsius and 1 atm pressure to lift the total load.
A capacitor in a single-loop RC circuit is charged to 57% of its final voltage in 1.3s, Find the percentage of the circuit's final voltage after 4.3s
A wall in a house contains a single window. The window consists of a single pane of glass whose area is 0.11 m2 and whose thickness is 8 mm. Treat the wall as a slab of the insulating material Styrofoam whose area and thickness are 15 m2 and 0.10 ..
A cylindrical space station of radius R and length L has a density that varies with distance from its center, Calculate the total mass M of the entire space station
A 2200 kg sport utility vehicle travelling at 86 km/h can be stopped in 0.15 s if it hits a concrete wall. Presume a 60 kg person was in the car that hit this wall. The velocity of the person equals that of car both before and after the crash, and..
Find out the acceleration of the crate if the applied force is 380 , the mass of the crate is 32 and the coefficient of kinetic friction is 0.42.
How many electrons would have to be placed on the sphere to produce an electric field of magnitude 1.41 105 N/C at a point 8.60 cm from the center of the sphere
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