Question

oszt z
2
z 늘
A car i8 moving at 90 km/h stops
after covering a distance of 2km
calculate the retardation produce
in the case​

Answer 1

Answer:

U = 90 km/h.

V = 0 Km/h.

S = 2 km.

a = ?.

$V^2 = U^2 + 2as\\ 0^2 = 90^2 + 2 × a ×2\\0 - 8100 = 4a\\ \frac {-8100} {4} = a\\ -2050 = a$

Answer 2

Answer:

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