A driven gear with 60 teeth is driven by a driven gear of 30 teeth what is the VR of the gear

VR=2

Explanation:

driven=60

driving=30

but VR=driven/driving

VR=60/30

VR=2

hence the velocity ratio VR is 2

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;