Question

calcule a energia cinética nos casos abaixo
(a) m=200kg v = 10M/s --> ec =______ j
(b) m=30kg v = 8M/s --> ec = _______ j
(c) m=40kg v = 5M/s --> ec = _______ j
(d) m=4kg v = 10M/s --> ec = _______ j

Answer 1

Ec= M(kg) x v²(m/s) / 2

a)  10.000
b)  960
c)  500
d)  200