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Write an animation program that implements the example two-dimensional rotation procedure of Section 5-1. An input polygon is to be rotated in small steps around a pivot point in the xy plane. Small angels are to be used for each successive step in the rotation, and approximations to the sine and cosine functions are to be used to speed up the calculations. To avoid excessive accumulation of sound-off errors, reset the original coordinate values for the object at the start of each new revolution.
A physics student wants to cool a glass of Diet Cola (mostly water), initially at 27°C, by adding ice initially at -18°C. If there is 250g of Diet Cola in the glass, how much ice must they add so that the final temperature will be 0°C?
The catapult on an aircraft carrier can take an aircraft weighing 300,000 N from 0 to 84.1 m/s in 9.3 seconds, What is the acceleration of the aircraft
suppose a heat engine pulls 7.24times104 j of work from the hot reservoir and 1.35times104 j of that energy is used to
two nanowires are separated by 1.2 nm as measured by stm. inside the wires the potential energy is zero but between the
A group of students need to cross a river in the shortest time. In what direction should the students head the boat
Planetary model of Hydrogen atom has an electron in a circular orbit about a proton. The motion of the electron of charge 1.6 x10-19 C creates electric current. The electron's velocity is 2.2 x 106 m / s and Radius of electron orbit is 5.3 x 10-11 m...
Which of the following describes an object with nonzero net force acting on it?
A horizontal pipe contains water at a pressure of 100kPa flowing with a speed of 2.0m/s . The pipe narrows to one-half its original diameter. What is the speed of the water
If the distance to a point source of sound is doubled, by what multiplicative factor does the intensity change
A 70.0 kg person balances a 1250 kg elephant which is standing on a circular lift of diameter 2.00 m. What is the diameter of the piston
A centrifuge spins up from rest to its maximum angular velocity of 5550 rpm with constant angular acceleration in 44 s. How many revolutions were made before it reached its maximum angular velocity
In SI units, the electric field in an electromagnetic wave is described by Ey = 100 sin(107x - ?t ). What is the frequency of the EM wave
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