Question

3. Să se efectueze: v= 72 km/h = ... m/s
AJUTATI-MA VA ROOOG ESTE URGENT!! DAU COROANA!!❤❤❤❤​

Answer 1

$v = \frac{72km}{1h} = \frac{72 \times 1000}{1 \times 60 \times 60} = \frac{72 \times 10}{6 \times 6} = \frac{12 \times 10}{6} = 2 \times 10 = 20 \frac{m}{s}$