LON-CAPA Throwing aC x > C Seguro! https://loncapa.hep.uprm.edu/res/msu/kortemey

Question

LON-CAPA Throwing aC x > C Seguro! https://loncapa.hep.uprm.edu/res/msu/kortemey/physicslib/energy/computer.problem?symbzu 5031 a2dd725b95uprml 1 %2fdefault-125 1 1 1 8950%2eseq Mensajes Cursos Ayuda Salir Irving J Aguilar Laracuente (Estudiante sección: 061) Menu Principal Contenidos Grades Fisica I Agosto 2018 Contenido de Curso hw04 Throwing a Computer out of the Window Timer Notas Evaluate & Feedback Imprimir O Info Throwing a Computer out of the Window Puntos:1 A computer is thrown out of a window of Holmes Hall with an initial velocity vo at an angle of 0

Explanation / Answer

first option is wrong because the speed at which the computer hits the ground depend on the initial height

vx = v cos theta

vy = v sin theta - gt

v= sqrt vx^2 + vy^2

to find the value of t we must use initial height

second option is wrong because the distance from the building where the computer hits the ground does not depend on mass of computer

R = v cos theta * t

third option is wrong because the distance from the building where the computer hits the ground depend on theta

R = v cos theta * t

fourth optionis correct becuase the speed at which the computer hisground depends on theta

fifth options is wrong because maximum height above the ground which the computer reaches does not depends on maxx

H max = u^2 sin^2 theta/ 2g

hence, the fourth statement is true that is the speed at which the computer hits the ground depends on theta.

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