A truck is turning on an interstate on-ramp at 40 miles per hour east and turns in a smooth curve with a diameter of 350 feet, what is its centripetal acceleration in m/s² ; and, compare that to the ac
a) 1.47m/s² ; Greater than gravity
b) 1.47 m/s²Equal to gravity
c) 0.73 m/s² ; Less than gravity
d) 0.73m/s² ; Equal to gravity"