The ball on a roulette table with a diameter of 0.813 m goes around 4.6 times in 2.5 s. what is the period?

Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?

What are chlorofluorocarbons and what impact do they have on the atmosphere?

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant