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The mass of the Space Shuttle orbiter is 8.8 x 104 kgand the period of its orbit is 82 minutes. Estimate thekinetic energy of the orbiter and the work done on it by gravitybetween the launch and orbit. (Although the force of gravitydecreases with altitude, this effect is small in low-Earthorbit. Use this fact to make necessary aproximation; you donot need to do an integral.) The orbits are about 245 miles abovethe surface of Earth.
The density of petrol is 730 kg/m^3 at 0 degrees C. Its average coefficient of expansion is 9.60 * 10^-4 degrees C. Assuming you have a 45 litre full tank, how many extra grams of petrol would you get
A 240 kV power transmission line carrying 500 A is hung from grounded metal towers by ceramic insulators, each having a 1.20, Calculate the power dissipated by 100 of them.
To stretch a certain spring by 2.50cm from its equilibrium position requires 9.00J of work, What was the maximum force required to stretch it by that distance
The upward velocity of the 5 kg block is v1 = 3 m/s when it is at a height ht = 10 m from the sandy surface. Determine time to stop the motion of the block if the average impulsive force acting on the block
What is the distance, measured along the screen, between this bright fringe and bright fringe corresponding to m = 3.
A 302g ball is tied to a string. It is pulled to an angle of 6.00 degrees and released to swing as a pendulum. A student with a stopwatch finds that 17 oscillations take 12.0s. How long does the string.
A driver wearing a seatbelt decelerates at roughly the similar rate as the car itself. Since modern cars have a "crumple zone" built into the front of the car, the car would decelerate over a distance of roughly 1.20 m. Determine net force acting ..
illustrates several of the concepts used in this problem. A single electron orbits a lithium nucleus that contains three protons (+3e). Determine the kinetic energy of the electron
On a warm summer day (29?C), it takes 4.50s for an echo to return from a cliff across a lake. What is the temperature on the winter day
The electric field everywhere on the surface of a thin, spherical shell of radius 0.785 m is of magnitude 850 N/C and points radially toward the center of the sphere. (a) What is the net charge within the sphere's surface? Please show work.
In a torus of inner radius 1.0m and outer radius 1.5m, a toroidal magnetic field of strength 5.0 tesla is required in the middle (i.e at R = 1.25m). Calculate the current that must pass through the wire to produce the required magnetic field
Four identical charges (+2.2 %u03BCC each) are brought from infinity, Determine the electric potential energy of this group
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