A roller coaster, loaded with passengers, has a mass of 2 000 kg; the radius of curvature of the track at the bottom point of the dip is 24 m. If the vehicle has a speed of 18 m/s at this point, what force is exerted on the vehicle by the track? (g = 9.8 m/s2)
a. 4.7E+4 N
b. 2.7E+4 N
c. 2.0E+4 N
d. 7.4E+3 N
d
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