Answer: 0.01cm/h
Step-by-step explanation:
1 yard is :
1y=0.9144 m and therefore 1 yard=91.44 cm ( 1m=100 cm)
1 month has 730 hours
7.5 months = 5475 hours
the object will move 1 yard/ 7.5 months and
the object will move 91.44 cm/ 5475 h or 0.01 cm/h