contestada

A bird is flying at an initial velocity of 5m/s. It flaps its wings harder, causing it to
accelerate forward at 2m/s/s. At this rate, how long would it take for the bird to fly a total
of 25m?

Respuesta :

lizzy108109

Answer:So first of all you should probably go ask your teacher because he’s the one that feels or she and I think I can help you with this just wait I need her

Explanation:

Oh wait never mind I can’t because you’re nice calling them now but that’s OK my teachers close to me I’m gonna go tell him to come and help me help you

Answer:

7.32 s

Explanation:

2ad = Vf^2 - Vi^2

2(2)(25) = Vf^- (5)^2

Solve for Vf = 8.66 m/s

t=a(Vf-Vi)

t= 2(8.66-5) =7.32 s