A cyclist accelerates from 0 m/s [S] to be 15 m/s [S] in 4 s. What is his acceleration?

Physics

1 answer:

kotegsom [21]3 years ago

6 0

15/4 = 3.75 m/s2. Do not try this formula all the time. This is an exception

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Para encontrar la densidad de la placa rectangular primero debemos hallar su volumen:

$V = 2 mm*10 mm*50 mm = 1000 mm^{3}*\frac{1 cm^{3}}{(10 mm)^{3}} = 1 cm^{3}$

Ahora, encontremos al densidad de la placa:

$d = \frac{m}{V} = \frac{20 g}{1 cm^{3}} = 20 g/cm^{3}$

Dado que la densidad del oro es 19.32 g/cm³ y que la densidad de la placa rectangular calculada es 20 g/cm³, podemos decir que dicha placa no es de oro.

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