Physics, 14.07.2019 01:50 owenbarrows
Acannonball with a mass of 1.0 kilogram is fired horizontally from a 500.- kilogram cannon, initially at rest, on a horizontal, frictionless surface. the cannonball is acted on by an average force of 8.0x10^3 newtons for 1.0x10^-1 second. (a) what is the magnitude of the average net force acting on the cannon? (b) determine the acceleration of the cannon ball.
Answers: 1
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The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
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Gravity is pulling an object into the sun. the closer the object gets to the sun, the greater the gravitational force that acts on the object, increasing its acceleration. a line graph plotting the speed of the object against time would have which shape? a: straight line of positive slope b: curved line that slopes upward c: curved line that slopes downward d: straight line of negative slope
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Acannonball with a mass of 1.0 kilogram is fired horizontally from a 500.- kilogram cannon, initiall...
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