Physics, asked by babitachaudhary174, 10 months ago

please answer this question

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Answered by manishasalunke403

0

Answer:

I

don't

know

pick gufhbfugcdfgggfgkuttakjhhjvffyhvghaldehjjuffdfgh

Answered by sahilyadav8

0

Answer:

the answer of a is -5m/s because deacclaration is equal to final speed minus initial speed upon diffrence of time

initial is 20m/s

final is 10m/s

diffrence of time is 7-5 which is 2 so 10-20/2 is equal to -5m/s

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