Tangential SpeedTangential speed = radius x angular speedV = r w 1. A woman passes through a revolving door with a tangential speed of 1.8 m/s. If she is
0.80 m from the center of the door, what is the door's angular speed?

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.

the closer the planet is to the sun, the larger the gravity

so easy. just google the electromagnetic waves and it’ll pop up.