Question

answer with full explation
question. 14 15

Answer 1

hey mate.
here's the solution

Answer 2

Resistivity = 1/conductivity

minimum resistivity =  best conductor

so, correct option = 2(Y)

2nd solution

The area of under a-t graph gives us velocity

so,in this que first find accleration (F=ma)

so velocity=area of a-t graph = 2 +4+4+2+8= 20 m/sec

ok

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