What is the kinetic energy at its final position
As a 2.0-kg object moves from (2 i + 5 j)m to (6 i - 2 j)m, the constant resultant force acting on it is equal to (4 i - 3 j)N. If the speed of the object at the initial position is 4.0 m/s, what is its kinetic energy at its final position?
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What is the rpm of the fan three seconds after it is turned on? How many revolutions has it made at this time? What is the tip velocity of the blades at this time is the overall diameter is 12 inches?
Prove that the process is irreversible. In modeling this rocess treat the egg as the system and assume the passage of sufficient time for the egg to return to its inintial temperature.
If the frequency of the siren relative to the polive car is 500 Hz, what is the frequency heard by an observer in the truck as the police car approaches the truck? (Assume the velocity of sound in air is 343 m/s)
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You throw a ball horizontally off of a building with a horizontal velocity of 5m/s. What is the ball's horizontal velocity 8 seconds later? How high should the building be if you want the ball to fall for a total of 12 seconds?
In a chemcial analysis of a chromium alloy, all of the chromium is first converted to chromate ions. a 50ml sample of chromate ion solution is then reduced in a basic solution to chromium (lll) hydroxide by reaction with 22.6ml of 1.08mol/l sodium
At one instant of time the first particle with a charge of 4.20 uC is located at x = 0 and y = +7.40 cm, and the second particle with a charge of 2.00 uC is located at x = 0 and y = -7.40 cm.What is the y-component of the magnetic force on the fir
What could be the actual number of adults who play football could be? Among the 2286 repondents, 1479 said they only play hockey. What percentage of respondents said they only play hockey?
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How can we as providers be better educated to know the signs and symptoms of HPV related cancer so that we can refer the patients sooner for biopsies
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