Roboguru

Percepatan yang terjadi saat 4 s, pada persamaan gelombang (dalam cm) adalah.. ..

Percepatan yang terjadi saat 4 s, pada persamaan gelombang begin mathsize 14px style y equals 4 sin open parentheses straight pi over 2 t close parentheses end style (dalam cm) adalah.. ..

  1. begin mathsize 14px style negative straight pi squared m over s to the power of italic 2 end style 

  2. begin mathsize 14px style negative 2 straight pi m over s to the power of italic 2 end style 

  3. Nol 

  4. begin mathsize 14px style 2 straight pi m over s to the power of italic 2 end style 

  5. begin mathsize 14px style straight pi squared m over s to the power of italic 2 end style 

Jawaban:

Diketahui:
begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell t space end cell equals cell space 4 space straight s end cell row cell y space end cell equals cell space 4 space sin space left parenthesis pi over 2. t right parenthesis end cell end table end style 

Ditanya:
a = ?

Jawab

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell y space end cell equals cell space 4 space sin space left parenthesis straight pi over 2 space. space t right parenthesis space end cell row cell v space end cell equals cell space 2 space pi space sin space left parenthesis straight pi over 2 space. space t right parenthesis space end cell row cell a space end cell equals cell space minus space pi squared space sin space left parenthesis straight pi over 2 space. space t right parenthesis space end cell row cell a space end cell equals cell space minus space pi squared space space sin space left parenthesis straight pi over 2 space. space 4 right parenthesis space end cell row cell a space end cell equals cell space minus space pi squared space space sin space left parenthesis 360 right parenthesis space end cell row cell a space end cell equals cell space minus space pi squared space. space 0 space end cell row cell a space end cell equals cell space 0 space straight m over straight s end cell end table end style 

Jadi, Percepatannya adalah C

0

Ruangguru

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Ruangguru

Produk Ruangguru

Produk Lainnya

Hubungi Kami

Ikuti Kami

©2021 Ruangguru. All Rights Reserved