Question

Problem 15.99 4 of 4 u Review Part A Determine the r, y, z components of the angular momentum Hp of the particle having a mass of m = 5 kg about point P using scalar notation. (Figure 1) Express your answers using three significant figures separated by commas. ΟΙ ΑΣΦ If vec ? (Hp), (Hp), (Hp): - kg. m/s Figure < 1 of 1 Submit Request Answer mA < Return to Assignment Provide Feedback 6 m/s 2 m 2 m 2 m 1.5 m 10 15 m 1 m 3 m 3 m B

Answer 1

Solution: Given data : mass of partide, mis kg velocity of partide, U = 6 mis 2 Coordinates of A Coordinates of B = (2,-1.5,2) (3,3,0) Coordinates of P = (-1,1.5,2) Velocity in vector form ; ū v. ħAR where, ñab = Unit vector along AB AB AB :: from 0; ů = v. A AB

49 6 (3-2) i + (3+1.5 ) ŷ (0-2) k w (3-2) + (3+1.512 + (0-2)2 i +4.5 9.2 (15²+ (4.5) (-2) 2 6 + 4.5 ŷ - 2i ( 5.025 ů z 12 î + 5.37 Ý - 2.388 K

Angular momentum of particle about point is given by; 11 IPA X mu 3 where, MPA = po = (2-(-1)) { + (-1-5-1-5); + (2-2) APA 3 î - 3 from ear; ñe (37-3 ) * s (1.2 i +5.37 ŷ -2.38818 ) 2 (3?-3 ŷ ) x (60 + 26.05 ĝ 11.94 ks) N

) 1 3 -3 0 6 26. Is -\\.94 : HP لا) 35.82 + 35.82 + 98.13 ANSWER : (Hp) x 35.82 (HP)y= 25.82, (HP),= 90.55