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Classical Mechanics - exam 1 - Physics, Exams of Physics

Massachusetts Institute of Technology (MIT)Physics

Prof Walter Lewin, Massachusetts Institute of Technology (MIT) (MA), Physics, Classical Mechanics, exam 1, acceleration, average speed, average velocity.

Typology: Exams

2010/2011

Uploaded on 10/05/2011

geek45
geek45 🇺🇸

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Problem 1 (22 points) At time ¢ = 0 see we throw a stone from the ground level straight up with a speed of 20 m/sec (ignore airdrag, and assume g = 10 m/sec). a) (6) At what time (in sec) will this stone reach its highest point, and how high is it then above the ground? b) (6) We now throw a second stone straight up 2 sec after the first. How many meiers above the ground is the first stone at that moment? c} (10) At what speed should we throw this second stone from the ground if it is to hit the first stone | second after the second stone is thrown?