A 1800-kg Jeep travels along a straight 500-m portion on highway (from A to B) a

Question

A 1800-kg Jeep travels along a straight 500-m portion on highway (from A to B) at a constant 10 m/s. At B, the Jeep encounters a unbanked curve of radius 50m. The Jeep follows the road from B to C travelling at a constant speed of 10m/s while the direction of Jeep changes from a south. What is the magnitude of the frictional force between the tires and the road as the Jeep negotiates from B to C? 1000N 9600N 7200N 3600N 1800N On a amusement park ride, passengers are seated in a horizontal circle of radius 7.5m. The seats from rest and are uniformly accelerated for 21 seconds to a maximum rotational speed of 1.4rad. What is the tangential acceleration of the passengers during the first 21 s of the ride?

Explanation / Answer

3) C 7200 N

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