How do scientific models become stronger overtime? a.) new experiments verify or find previous model b.) as more people believe the model, it is stronger c.) older theories are always thought to be stronger than newer theories d.) personal benefits become more important to scientists overtime

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?

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.