Science help plz! Giving brainlist :D
1 answer:
17. The SI unit for force is N. 18. When an Unbalanced force acts upon and object, the object will change speed and/or direction of motion. 19. Average speed is the speed averaged over a span of time. Instantaneous speed would be the speed at any given instance during that span of time. 20. Acceleration= (final velocity - initial velocity) / time Final velocity= 0 m/s Initial velocity= 25 m/s Time = 40 sec. So, acceleration (0 - 25) m/s / 40 sec. Acceleration = -0.625 m/s^2
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