Rotational Motion Question -- please help
Homework Statement
Estimate the energy stored in the rotational motion of a hurricane. Model the hurricane as a uniform cylinder 300 km and 5 km high, made of air whose mass is 1.3 kg/m^3. Estimate the outer edge of the hurricane to move at a speed...
1. A railroad car loaded with rocks coasts on a level track without friction. A worker on board starts throwing the rocks horizontally backward from the car. Then what happens?
(a) car slows down
(b) car speeds up
(c) first the car speeds up and then slows down
(d) car's speed remains...
Hi! So I have a question. We're doing this lab in my ap chem class revolving around chemiluminescence. In the lab, we mix luminol with hydrogen peroxide and a few other chemicals. Aftwerwards, we turn off the lights and the reactions proceeds to emit a red glow which then turns white and finally...