Question

solve this question please​

Answer 1

Answer:

5N

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Answer 2

Answer:

ans is (A)

Explanation:

from the given graph we can say,

V= 0 m/s

u= 80 m/s

t= 8 s

m= 50 g

we know that F=ma

now m= 50g = 1/20Kg

therefore we need to find acceleration  

a= v-u/t

a= 0-80/8

a= -80/8

a= -10m/s^2

now F equals,

F=ma

F=10*1/20

F= 1/2 N= 0.5 N

therefore ans is a) 0.5 N

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