A spring with a spring constant of 1.8×10 to the second power Newton/meters is attached to a 1.5 KG mass and then so in large

Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33

An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45∘. what percentage of the initial intensity is transmitted by the system?

How do we measure or think of speed in the united states?