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UCBXPhys1Exam2.tstproton of mass m is at rest when it is suddenly struck head-on by an alpha particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision is perfectly elastic, what speed will the alpha particle have after the collision? UCBXPhys1Exam2.tst
proton of mass m is at rest when it is suddenly struck head-on by an alpha particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision is perfectly elastic, what speed will the alpha particle have after the collision?
a train has a mass of 5.86e6 kg and is moving at 57.7 kmhr. the engineer applies the brakes which results in a net
A block of wood of density 0.73 kg/m3 floats in a fresh-water lake. What percentage of the wood protrudes from the water
A metal sphere of radius 5.00 cm is initially uncharged. How many electrons would have to be placed on the sphere to produce an electric field of magnitude 1.51 105 N/C at a point 8.28 cm from the center of the sphere?
Mars has a mass of 6.4*10^23 kg and radius of 3,400,000 m. find the acceleration due to the gravity on Mars
A nozzle of inner radius 1.05 mm is connected to a hose of inner radius 7.95 mm. The nozzle shoots out water moving at 25.5 m/s. At what speed is the water in the hose moving
Abullet emerges from the muzzle of a gun with a velocity of 300m/s. The net force on the bullet, while it is in the gun barrel, is given by: F(t): =400N-(1.33*10^5N/S)t and is directed along the length of the barre
a piano tuner stretches a steel piano wire with a tension of 765 . the steel wire has a length of 0.800 and a mass of
a force of magnitude 7.50 pushes three boxes with masses m1 1.30 kg m2 3.20kg and m3 4.90 kg find the magnitude of the
A mass on a string of unknown length oscillates as a pendulum with a period of 6 s. What is the period in the following situations, determine The mass is doubled
What work is done when a 2 C is moved through an electric potential difference of 2 V? Calculate to two decimal places
A cable 24 m long and 1.5 mm radius is stretched by a force of 550 N. If the length after stretching is 24.05 m, what is Young's modulus for the cable
In 2000, NASA placed a satellite in orbit around an asteroid. Consider a spherical asteroid with a mass of 1.00×1016kg and a radius of 9.90km, What is the escape speed from the asteroid
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