which statement describes all chemical changes but not all physical changes ? A. Bubbles are produced. B. A new substance forms. C. Phase changes occur. D. A color change occurs

With these questions , 15 pts & brainliest

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?

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above