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Q1. A small, 300 cart is moving at 1.40 on an air track when it collides with the larger, 3.00 cart at rest. After the collision, the small cart recoils at 0.860. What is the speed of the large cart after the collision?
Q2. A cube of ice is taken from the freezer at -8.0 and placed in a 113 aluminium calorimeter filled with 306 of water at room temperature of 20.0. The final situation is observed to be all water at 15.0.
Q3. Two bowling balls each have a mass of 6.90 kg. They are located next to each other with their centers 22.80 cm apart. What gravitational force do they exert on each other? (Use G = 6.67 10-11 N • m2/kg2.)
Estimate approximately the angular deflection of the muon's trajectory, given that the rest mass of muon is 100Mev and that the saturation magnetization in iron is equivalent to 1.6 x 10^23 electron moments per cm^3.
What is mechanical energy dissipated by resistive forces
Suppose that a structure of arbitrary complexity has a number of forces applied to it (at various points) and yet is in static equilibrium. The principle of virtual work allows one to write an equation that relates the applied forces.
What is the magnitude of the current in the wire as a function of time?
What is the caused by sun wind in upper atmosphere
What approximations or simplifying assumptions must you make in the calculations? (Note: Some of these choices are false because they are wrong physics!)
Two pellets, each with charge 5 microcoulomb (1 microcoulomb = 0.000001 coulombs), are located 0.5 m apart. What is electrical force between the charges.
When one gallon of gasoline is burned in a car engine, 1.18 x 10^8 J of internal energy is released. Suppose that 0.99 x 10^8 J of this energy flows directly into the surroundings (engine block and exhaust system) in the form of heat. If 6.0 x 10^5 J..
What is an angular speed about the center of mass
Problem on a hare and a tortoise battle
A sample of animal bone unearthed at an archaeological site is found to hold 173 grams of carbon and the decay rate of 14-C in the sample is measured to be 8.10 Bq. How old is the bone.
Define proton-proton chain efficiently
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