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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?
Blocks with masses of 3.0kg, 8.0kg and 9.0kg are lined up in a rowon a frictionless table. All three are pushed forward by a12N force applied to the 3.0kg block.
A 220, 45.0-cm-diameter turntable rotates on frictionless bearings at 55. A 21.0 block sits at the center of the turntable. A compressed spring shoots block radically outward along a frictionless groove in the surface of the turntable.
An internal explosion breaks an object, initially at rest, into two pieces, one of which has 1.42 times the mass of the other. If 7540 Joule were released in the explosion, find how much kinetic energy did the heavier piece acquire
A 58-g handball moving with a speed of 5.3 m/s strikes the wall at an angle of 35° with the normal, and then bounces off with the same speed at the same angle with the normal. It is in contact with the wall for 2.0 ms. What is the average force exert..
Suppose 28.5 kg of 87.5°C water is placed in contact with 28.5 kg of 11°C water. What is the change in heat (in J) of the hot water
It is possible to use electromagnetic radiation to ionize atoms. To do so, the atoms must absorb the radiation, What is the longest radiation wavelegth
A uniform 20.0 chain 2.00 long supports a 55.0 chandelier in a large public building. Find the tension in the middle link of the chain
A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.94 m, 5.13 m) while a constant force acts on it. How much work is done by the force on the coin during the displacement
A magnetic feild has a magnitude of 1.2x10^-3 T, and an electric feild has a magnitude of a 4.6x10^3 N/C. Both feilds point in the same direction. A positive 1.8μC charge moves at a speed of 3.1 x10^6 m/s in a direction that is perpendicular to bo..
An electron moving in one dimension is confined between two walls seperated by a distance L = 10^-10 m. What is the average force that the electron exerts on the walls
What is the velocity of the boat when it reaches the buoy.
An vehicles starts from rest and accelerates at a rate of 2m/s2 in a straight line until it reaches a speed of20m/s. The vehicle then slows at a constant rate of1m/s2 until it stops.
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