Margy is trying to improve her cardio endurance by performing an exercise in which she alternates walking and running 100.0 m each. If Margy is walking at 1.4 m/s and accelerates at 0.20 m/s2 during one of the running portions, what is her final velocity at the end of the 100.0 m? Round your answer to the nearest tenth.

m/s

Question

Margy is trying to improve her cardio endurance by performing an exercise in which she alternates walking and running 100.0 m each. If Margy is walking at 1.4 m/s and accelerates at 0.20 m/s2 during one of the running portions, what is her final velocity at the end of the 100.0 m? Round your answer to the nearest tenth.

m/s

Durilin · Answer

Payton will be here shortly.

Durilin · Answer

Is there more info?

payton · Answer

payton is here

payton · Answer

dang im not strong in this subject i wont be able to help you that well...im sure darkknight can help you tho, he is really good at everything

Durilin · Answer

then he says I am the darkknight

payton · Answer

thats when you know hes helped the needed

payton · Answer

lol

Vocaloid · Answer

$$v_{f} = v_{0}^{2}+2a \Delta~x$$

where vf is the final velocity, v0 is the initial velocity, a is the acceleration, and x is the distance

plug in v0, a, and x from the problem to get vf