What is the mechanical advantage of the lever shown below? WEDENOU
0.2 m 0.27 m
A. 1
Ο Ο
B. 2.25
o
C. 0.44
OD. 1.35

Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?

When an object is heated it contracts. a. true b. false

Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life