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Assume that an initially stationary gold nucleus remains motionless during a head-on collision with an 8.3 MeV alpha particle, and that the mass of a gold nucleus is exactly 50 times the mass of an alpha particle.
What is the actual recoil speed of the gold nucleus after that elastic collision?
You are to build a box whose height is 0.280 times its length. In order for the box to have a given volume while using a minimum amount of cardboard, what should be the ratio of the width of the box to its length.
A photon of wavelength 4.220×10?2nm strikes a free electron and is scattered at an angle of 38.0?from its original direction
A whale swims due east for a distance of 3.8 km, turns around and goes due west for 7.9 km, What is the total distance traveled by the whale
A 18-cm-long nichrome wire is connected across the terminals of a 1.5V battery. what is the wire's diameter
Intuitively, the man will not catch the bus unless he is running fast enough. In mathematical terms, there is a constraint on the man's speed so that the equation above gives a solution for that is a real positive number.
An object is placed 5 cm in front of a spherical mirror. A virtual image is formed 10 cm behind the mirror. What is the magnification of the mirror
You hold a small plane mirror 0.50 m in front of your eyes, Find the height of the bottom of the mirror such that the lowest point the person can see on the building is 22.9 m above the ground
A 500kg helicopter ascends from the ground with an acceleration of 2.00m/s^2 over a 5.00second interval, what is the work done by the gravitational force
A glass coffee pot has a circular bottom with a 9.00cm diamteter in contact with a heating element that keeps the coffee warm with a continous heat transfer rate of 50.0w, what is the temperature of the bottom of the pot, if it is 3.00mm thick and..
find the energy in joules of the photons.
A spacecraft is in orbit around a planet. The radius of the orbit is 2.9 times the radius of the planet (which is R = 71451 km), What is the period of the spacecraft's orbit
Coil 1 has L1 = 47 mH and N1 = 104 turns. Coil 2 has L2 = 68 mH and N2 = 215 turns. what mutually induced emf appears in that coil
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