Question

A big truck moving along a straight line at a speed of 54km/hr stop in 5s after the breaks are applied.

1) Find the acceleration, assuming it to constant.

2) Plot the graph of speed versus time.

 3)  Using the graph. Find the distance covered by the car after the brakes are applied?

4) Which would require a greater force- accelerating a 1kg mass at 10m/s-2 or a 2kg mass at 4m/s-2

Answer 1

Here you.. If u need any help please let me know