A car accelerates at a rate of 0·3 m/s2 for 15 seconds and reaches a speed of 18 m/s. What was its original speed? A bus travelling at a constant speed decelerates at 0·8 m/s2 for 4 s. If its speed drops to 12 m/s, what was the original speed of the bus?
A car accelerates at a rate of 0·3 m/s2 for 15 seconds and reaches a speed of 18 m/s. What was its original speed? A bus travelling at a constant speed decelerates at 0·8 m/s2 for 4 s. If its speed drops to 12 m/s, what was the original speed of the bus?
DS-N45-Question-book-1-Dynamics.docx