Question

A car travelling with a speed of 20 km/hr comes into rest in 0.5 hour. What will be the value of its acceleration in metre per second square

Answer 1

$\huge\green{\mid{\fbox{{คภรฬєг⤵}}\mid}}$

As we know,

V

f

=V

i

+at

putting all values

0=20+a(0.5)

−20=a/2

−40

hr

2

km

=a

Hence retardation =40 km/hr

2

$\huge\fbox\red{hσpє}\huge\fbox\pink{ít}\fbox\green{hєlp}\huge\fbox\blue{yóû}$

$\huge\fbox{\red{\underline{mαrk \; mє \; вrαínlíєѕt \; plєαѕє ♥}}}$

$\large\bf{\underline\blue{❥thαnk \; чσu ♥♥}}$

Answer 2

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