The unit of acceleration is derived unit why​

Aferris wheel is a vertical, circular amusement ride with radius 9 m. riders sit on seats that swivel to remain horizontal. the ferris wheel rotates at a constant rate, going around once in 9 s. consider a rider whose mass is 56 kg. at the bottom of the ride, what is the perpendicular component of the rate of change of the rider's momentum? at the bottom of the ride, what is the vector force exerted by the seat on the rider?

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?

J. j. thomson’s experiment disproved the theory that an atom