A rotating fan completes 1190 revolutions every minute. Consider the tip of a blade, at a radius of 17.0 cm.

(a) Through what distance does the tip move in one revolution? What are
(b) the tip's speed and
(c) the magnitude of its acceleration?
(d) What is the period of the motion? answer to 3 significant figures.

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?