An amusement park ride consists of a rotat- ing circular platform 6.9 m in diameter from
which 10 kg seats are suspended at the end of
2.5 m massless chains. When the system ro-
tates, the chains make an angle of 39.3° with
the vertical.
The acceleration of gravity is 9.8 m/s2.
O
What is the speed of each seat?
Answer in units of m/s.

What term do psychologists use to designate our personal awareness of feelings, sensations, and thoughts?

3. on your graph, the data points between the black squares are data for elements with atomic numbers 3 through 9. locate these elements on your periodic table. what term or description would you use to identify these elements with respect to the periodic table?

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?