The propeller of a world war ii fighter plane is 3.203.20 mm in diameter. a) what is its angular velocity in radians per second if it spins at 13501350 rpmrpm? rad/srad/s b) what is the linear speed of its tip at this angular velocity if the plane is stationary on the tarmac? m/sm/s c) what is the centripetal acceleration of the propeller tip under these conditions? calculate it in multiples of gg.

What best describes a sonar wave? transverse and electromagnetic transverse and mechanical longitudinal and electromagnetic longitudinal and mechanical

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)

Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?