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This is the question: An atomic nucleus at rest decaysradioactively into an alpha particle and a smaller nucleus. What will be the speed of this recoiling nucleus if the speed of thealpha particle is 3.8 x 105 m/s?Assume the recoilingnucleus has a mass 57 times greater than the alpha particle.
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 58.05 diopters, How far is the blackboard from her eyes
A billiard ball moving at 5.00 m/s strikes a stationary ballof the same mass. Find the velocity (magnitude and direction) of the secondball after collision
An x-ray beam of a certain wavelength is incident on a crystal, at 31.3° to a certain family of reflecting planes of spacing 41.4 pm. what is the wavelength of the x rays in nanometers
Imagine that Earth is struck by a meteor with a mass of 5.23 x 1015 kg, and a speed of 8100 m/s. What speed would such a meteor give Earth in a head-on collision
When one gallon of gasoline is burned in a car engine, 1.19 x 108 J of internal energy is released. how many miles can the car travel on one gallon of gas
A soccer ball is kicked with an initial speed of 9.8 m/s. After 0.200 s it is at its highest point. What was its initial direction of motion
An object 2.01 cm high is placed 40.2 cm to the left of a converging lens having a focal length of 30.5 cm. A diverging lens with a focal length of ?20.0 cm is placed 110 cm to the right of the converging lens.
A block of wood of mass 4.85 kg rests on a horizontal frictionless surface. find the velocity of the wood after the bullet has passed through
A proton is projected perpendicularly into a magnetic field that has a magnitude of 0.29 T. What is the magnitude of the field used for the electron
How much lift is exerted on the wings of an airplane that have atotal surface area of 102 m2 when the difference in air pressure below and above the wings is 4% of atmospheric pressure?
A person pulls a 5.0 kg sled by a rope across a floor. The coefficient of kinetic friction between the floor and the sled is 0.15. What is the magnitude of the normal force
An object is placed 18.0 cm in front of a converging lens with a focal length of 6.00 cm. determine the image location and its characteristics
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