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A proton is shot at 4 × 107 m/s toward a gold atom, with a mass 197 times that of the proton and deflects it straight back with 90% of its initial speed. What is the recoil speed of the gold nucleus?
Two carts with masses of 4.5 kg and 3.9 kg move toward each other on a frictionless track with speeds of 5.6 m/s and 4.3 m/s, respectively. The carts stick together after colliding head-on.
A spider hangs from a strand of silk whose radius is 4.0*10^-6m. Thedensity of the silk is 1300kg/m^3. determined the mass of the spider
find coefficient of kinetic friction between m1 and shelf.
A 32cm string being held at a tension of 64.5N has a fundamental frequency of 440Hz. What are the second and third harmonics of the string
A container is filled to the brim with 1.6 L of mercury at 20°C. As the temperature of the container and mercury is increased to 49°C, compute the linear expansion coefficient of the material
A 9.00 kg point mass and a 15.0 kg point mass are held in place 50.0 cm apart. A particle of mass m is released from a point between the two masses 19.0 cm from the 9.00 kg mass along the line connecting the two fixed masses.
A 60 kg bicyclist rides his 9.8 kg bicycle with a speed of 16 m/s. What is the magnitude of the braking force
What is the maximum speed with which a 1350kg car can round a turn of radius 71m on a flat road if coefficient of static friction between tires and road is 0.40.
A 8.0mH inductor is connected in parallel with a variable capacitor. The capacitor can be varied from 180pF to 320pF. What is the minimum oscillation frequency for this circuit
A .075 Kg toy rocket is launched straight up from the ground at 19 m/s. Calculate the power of gravity force during the first 10s
An electron passes through a point 3.27 cm from a long straight wire as it moves at 37.3% of the speed of light, Find the magnitude of the electron\'s acceleration at that point
How much work is done by an applied force that moves two charges of +6.8 µC that are initially very far apart to a distance of 5.3 cm apart?
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