Question

QUAL A ENERGIA CINETICA DE UM VEICULO DE 70 KG DE MASSA, QUANDOSUA E DE 2M/S

Answer 1

Olá

$\displaystyle \mathsf{E_c= \frac{mv^2}{2} }$


Dados :

m = 70 kg
v = 2 m/s
Ec = ?


$\displaystyle \mathsf{E_c= \frac{70\cdot (2)^2}{2} }\\\\\\\boxed{\mathsf{E_c=140 ~J}}$