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1. A proton and an antiproton collide in a particle accelerator and convert their mass into energy. How much energy is produced if the mass of each particle is 1.7x10-27 kg? To receive full credit, show all of your work in the space below.
2. How much energy is required to lift a 9 kg (20 lb) bag of rice from the floor to the trunk of your car located 0.9 meters above the ground? What kind of energy does the rice have when it is sitting in your trunk? To receive full credit, show all of your work in the space below.
3. A roller coaster with a mass of 1000 kg is shot to a speed of 30 m/s in 8 seconds. How much kinetic energy does this coaster have at the end of the 8 seconds? To receive full credit, show all of your work in the space below.
4. Your record bicycle pace along a favorite trail is 16 mph. On a recent ride, you traveled the 25 mile route in a time of 90 minutes. What was your average speed? Did it break your record pace?
Two converging lenses having focal lengths of f1 = 10.9 cm and f2 = 20.0 cm are placed d = 50.0 cm apart. What is the overall magnification of the system
Find equation for the ground state energy for a particle in a spherically symmetric potential well,V(r) = -ad(r-a), and show that the bound state appears only when a is greater than some critical value.
A .165 kilogram baseball is thrown to frank at 24.5 m/s. The ball is hit by Joe with the equal velocity and path. calculate the average force the bat exerted on the ball
An unknown mass of tin is heated to a temperature of 222 C. It is placed into 200 g of water which is in a 100 g copper cup initially at 10 C. What is the mass of the tin sample
A 3.87 kg mass experiences a gravitational force of 14.7 N at a certain point in space. What is the magnitude of the gravitational field at that point
With what velocity does the wrench strike the ground. What is magnitude and direction of the boat's acceleration? Enter a positive answer for a direction due west, or a negative answer for a direction due east.
A mountain climber friend with a mass of 80 kg pondersthe idea of attaching a helium balloon to himself to effectivelyreduce his weight by 25% when he climbs. He wonders what heapproximate size of such a balloon would be.
In this particular problem and solution, the answer makes sense butone of the conversions does not. For the conversion from density in cm cubed to the density in meters cubed why is the conversion times 10^3? how did this conversion come about when t..
A time-dependent force, Fvecbold = (7.50i hat bold ? 4.05tj hat bold), How far is the object from its initial position when its speed is 15.0 m/s
Obtain the relationship between the wave speed, frequency, and wavelength? Find the relationship between the wave speed and physical parameters of the string system? Explain how are the two expressions related
A helium-filled balloon contains n = 1.1 moles of helium atoms at room temperature and a pressure P = 2 ? Patm (twice atmospheric pressure). How many moles are in the balloon
What is the atomic number and mass number of the new element produced when 84218Po emits a beta particle?
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