Answer:
94 meters
Step-by-step explanation:
Use the kinematic equation v₂ = v₁ +at
Because it starts from rest, v₁ = 0, so we get v₂ = at.
Plug in the numbers to get: 50=3.75a
a = 13.3 m/s²
Now use the kinematic equation v₂² = v₁² + 2ad
Plug in the numbers to get: 50² = 2*13.3*d
d = 94 meters