October 2018 1 135 Report
Percepatan suatu partik dinyatakan a=(4ti-6j) m/s^2. Mula-mula partikek bergerak dengan kecepatn -2j, maka persnaan kecepatan setiap saat...
a. (4t+2)i-6tj
b. 4ti-(6t+2)j
c. (2t^2+2)i -6tj
d. 2t^2i -(6t+2)j
e. (2t^2 +2)i -(6t+2)j
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