If the car is moving at 30 m/s at the bottom of the dip, its mass is 800 kg, and

Question

If the car is moving at 30 m/s at the bottom of the dip, its mass is 800 kg, and the radius of curvature for the dip is 20 m, what is the normal force acting on the car in the dip.
10459 N
19344 N
28625 N
37190 N
43840 N

13) What is the acceleration of the car at the bottom of the dip?
0 m/s2
9.8 m/s2
35.2 m/s2
45.0 m/s2
54.8 m/s2

14) What is the minimum speed at the top of the hill (assuming R = 20 m here, too) for the car to leave the road?
10 m/s
12 m/s
14 m/s
16 m/s
18 m/s

15) What is the acceleration of the car if it just begins to leave the road?
0 m/s2
4.9 m/s2
9.8 m/s2
14.7 m/s2
19.6 m/s2

Explanation / Answer

a) c) d) a)

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