The answer will depend on 900 WHAT? The earth rotates 900 times in 900 days, for example, and around 328,725 rotations in 900 years.
If its degrees then:-
900/360 = 2.5 rotations
1.25 rotations.
Not counting rotations, there are 4.
10
20
900
7 rotations
1.25 rotations.
900 / 51 = 17.647 seconds (rounded)
A double salchow has 2 rotations.
13.369 rotations, and 12.368 cycles of phases.
A bicycle should not make any rotations! The number of rotations made by the wheels of a bicycle will depend on the wheel size.
365 rotations per revolution.
It's when the skater goes in the air and rotates 900o which is 2 and a half rotations. Normally done is a halfpipe.
When a skateboarder refers to a 900, they are referring to an aerial spin. It is performing a spin with two and a half rotations while on their skateboard. It is one of the hardest tricks a skateboarder can perform.
182.5
About 42,700.
12