Atennis player serves a tennis ball such that it is moving horizontally when it leaves the racquet. when the ball travels a horizontal distance of 13 m, it has dropped 57 cm from its original height when it left the racquet. what was the initial speed of the tennis ball? (neglect air resistance.)
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Physics, 22.06.2019 08:30
Hey student studies gravity using objects that have the same mass which two objects have the greatest gravitational force acting between them a. 100kg 1.0m 100kg b. 100kg 2.0m 100kg c. 100kg 2.0m 100kg big d. 100kg big 3.0m 100kg big
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Physics, 22.06.2019 21:20
Abeverage can is made of 3004-h19 aluminum alloy (elastic modulus 69 gpa, tensile yield strength 285 mpa, density 2.72 g/cm^3). the dimensions on the can are approximated as a thin-walled cylinder with a height of 4.83 inches, diameter of 2.60 inches. empty the can has a mass of 14.2 g. determine: a. the wall thickness of the cylinder b. assuming a pinned-pinned condition what is the critical load? c. assuming a fixed-fixed condition what is the critical load?
Answers: 1
Physics, 23.06.2019 02:00
How does changing the frequency affect the energy of the wave?
Answers: 3
Atennis player serves a tennis ball such that it is moving horizontally when it leaves the racquet....
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