There is no radioactive source in or near the chamber, and the room where this video was taken has very low radon levels and very low levels of radioactive materials in the building -- most of the tracks seen are from cosmic rays. This video was recorded in Colorado; how would the video differ if it had been recorded in Boston or another sea level location

Acentrifuge in a medical laboratory rotates at an angular speed of 3,700 rev/min. when switched off, it rotates through 54.0 revolutions before coming to rest. find the constant angular acceleration (in rad/s2) of the centrifuge. your response is within 10% of the correct value. this may be due to roundoff error, or you could have a mistake in your calculation. carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. rad/s2