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A cardinal (Richmondena cardinalis) of mass 4.00×10?2 and a baseball of mass 0.141 have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of the baseball's momentum?
After falling from rest from a height of 33 m, a 0.47-kg ball rebounds upward, reaching a height of 23 m. what average force was exerted on the ball
At a factory, a noon whistle is sounding with a frequency of 480-Hz. As a car travelling at 79 km/h approaches the factory, the driver hears the whistle at frequency fi. After driving past the factory.
Find the basic and actual transmission losses between two antennas separated by 30 meters operating at 10 MHz when the gain of each antenna is 1.65 dB
An iron casting containing a number of cavities weighs 20052.8 N in air and 16121.0 N in water. What is the total volume of all the cavities in the casting
Two thin lenses with a focal length of magnitude 12.0cm , the first diverging and the second converging, are located 9.00cm apart. What is the height of the final image
In the bohr model of the hydrogen atom, an electron is the 6th excited state moves at a speed of 60km/s in a circular path having a radius of 2mm.
A 65-g ice cube at 0°C is placed in 665 g of water at 30°C. What is the final temperature of the mixture? °C, What is the final temperature of the water after the ice has melted
An elevator is moving upward at 1.07 m/s when it experiences an acceleration 0.30 m/s2 downward, over a distance of 0.71 m. What will its final velocity be
The electric motor of a model train accelerates the train from rest to 0.600m/s in 18ms. The total mass of the train is 515g. Find the average power delivered to the train
A 1 pF capacitor is connected in parallel with a 2 pF capacitor, the parallel combination then being connected in series with a 3 pF capacitor. Which capacitor has the greatest charge
Boiling Water at High Pressure. When water is boiled under a pressure of 2.00 atm, the heat of vaporization is 2.20 multiply.gif 106 J/kg, Compute the increase in internal energy of the water
An object is released from rest and falls in free fall motion. The speed v of the object after it has fallen a distance y is given by v2 = 2gy, what is the percent uncertainty in the calculated value of g
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