Listening to your favorite radio station involves which area of physics?
a-) optics
b-) thermodynamics
c-) vibrations and wave phenomena
d-) relativity

The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.

What do you think car designers do if the damage caused by a crash test is too severe?

Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o