Exercise 8: We launch, on an inclined plane and with a speed V parallel to the line of greatest slope, a solid (S) of mass m-100g (see Figure (a)). Knowing that x is the distance separating the launching point and the position of (S) at a given instant. In figure (b), we represent the graphs of the mechanical energy Em and the gravitational potential energy EPG of the system [(S), Earth]. Figure (b) Figure (a) E(J) 0.25 Em 0.2 0.15 Em 0.1 EFG 0.05 G.P.E reference 30 60 90 120 150 x(cm) A. Is the mechanical energy of the system [(S), Earth] conserved? Why? B. Find the value of the mechanical energy at the instant of launching. Deduce the value of Vo. C. Calculate, using the graphs, the speeds of (S) when x-75cm and when x-150em. D. The graph shows that (S) climbs but doesn't descend. Why? |Page

Exercise 8: We launch, on an inclined plane and with a speed V parallel to the line of greatest slope, a solid (S) of mass m-100g (see Figure (a)). Knowing that x is the distance separating the launching point and the position of (S) at a given instant. In figure (b), we represent the graphs of the mechanical energy Em and the gravitational potential energy EPG of the system [(S), Earth]. Figure (b) Figure (a) E(J) 0.25 Em 0.2 0.15 Em 0.1 EFG 0.05 G.P.E reference 30 60 90 120 150 x(cm) A. Is the mechanical energy of the system [(S), Earth] conserved? Why? B. Find the value of the mechanical energy at the instant of launching. Deduce the value of Vo. C. Calculate, using the graphs, the speeds of (S) when x-75cm and when x-150em. D. The graph shows that (S) climbs but doesn't descend. Why? |Page

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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