Answer:
26 m/s
Explanation:
The net centripetal force is equal to the mass times centripetal acceleration, which is equal to the square of the speed divided by the radius. On level ground, the friction force equals the weight times the coefficient of friction.
F = ma
mgμ = m v²/r
gμ = v²/r
v = √(gμr)
v = √(9.8 m/s² × 0.70 × 100.0 m)
v = 26 m/s