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gulaghasi [49]
3 years ago
15

Science help plz! Giving brainlist :D

Biology
1 answer:
KIM [24]3 years ago
7 0
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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