Answer:
what language is
thattranslate i will.answer then
¿
Explanation:
.--------------------.
40 joules
Work Done=Force*Distance
v = 10 m/s
recall that velocity is related to wavelength and frequency by the formula
v = fλ
where v = velocity, f = frequency and λ= wavelength
Simply substitute these into the formula:
v = (0.5)(20)