Question

resolvam a c da 4 p mim por favor

Answer 1

a) Ep = m.g.h ===> 5.10.3,2 ===> Ep = 160J

b) 160J

c)

$\frac{mv^2}{2} = 160 \\ \\ v^2 = \frac{160.2}{5} \\ \\ v = \sqrt{32.2} \\ v = 8m/s$