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A $500 \mathrm{~kg}$ car takes a round turn of radius $50 \mathrm{~m}$ with a velocity of $36 \mathrm{~km} / \mathrm{hr}$. The centripetal force is
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1000 N
$v=36 \frac{\mathrm{km}}{\mathrm{h}}=10 \frac{\mathrm{m}}{\mathrm{s}} 4 \quad F=\frac{\mathrm{mv}^2}{r}=\frac{500 \times 100}{50}=1000 \mathrm{~N}$.
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