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• How are forces related to motion?
• What are momentum and anguLar momentum?
• What do they have to do with motion and the orbits of the planets?
• What factors control the gravitational forces objects exert Oa each other?
• How can the Sane gravitational attraction account for the orbital motion of the planets?
• What forms of energy axe important for an orbiting planet?
• What is meant by escape velocity?
• Why do tides occur and where can the strongest tides be found? What effect do tides have on the Earth and its oceans?
A 5.0 g ice cube at -20 degrees C is in a rigid, sealed container from which all the air has been evacuated. How much heat is required to change this ice cube into steam at 200degrees C
Suppose the speed of light were only 3000 m/s. A jet fighter moving toward a target on the ground at 600 m/s shoots bullets, What are the bullets' velocity relative to the target
A 7 kilogram box is resting on a table. You push down on the box with a force of 8 Newton. Evaluate the magnitude of the normal force of table on block
When a nucleus of ^235 U undergoes fission, it breaks into two smaller, more tightly bound fragments. Calculate the binding energy per nucleon for the fission product
A 4.20 kg model rocket is launched, expelling 57.0 g of burned fuel from its exhaust at a speed of 675 m/s. What is the velocity of the rocket after fuel has burned.
A boxcar of mass 5.32 x 10^4 kg is rolling south at 3.49 m/s when it collides and couples with another boxcar that is rolling north at 5.12 m/s. Find the mass of the boxcar
in a long solenoid the density of the wire is 180 turnscm. if the current in the wire is 0.680a what is the strength of
if a 43 m steel bridge experiences extreme temp between -11c and 44c what is the range in size of this bridge if it
Suppose that a quadratic fit to a position plot yields the following fit result: y=4.97x^2+1.53x+).0503. Determine the acceleration due to gravity of the particle
A charge of +q is located at the origin, while an identical charge is located on the x axis at x = 0.49 m. Where should the third charge be located?
The magnetic force exerted on a 1.3 -m segment of straight wire is 1.6 N. The wire carries a current of 3.1 A in a region with a constant magnetic field of 0.52 T. What is the angle between the wire and the magnetic field?
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t. estimate the volume of the cell
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