A 1.6 Kg bird that is flying through the air has 220 J of kinetic energy. How fast is the bird flying? 20.5 m/s
19.4 m/s
18.2 m/s
16.6 m/s
cuh

Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.

Steam enters an adiabatic diffuser at 150 kpa and 1208c with a velocity of 550 m/s. determine the minimum velocity that the steam can have at the outlet when the outlet pressure is 300 kpa.

I’ve been stuck on this for a while