1000 Peitschenhiebe: Weil ich sage, was ich denke (German Edition)

1000 Peitschenhiebe: Weil ich sage, was ich denke (German Edition)

Fisika pakai cara please help me ​

pakai cara please help me ​

Jawaban:

sudut pantul = besaran < cermin - sinar datang

120°-30°= 90°

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