Shondra takes notes in class. i. electromagnetic waves ii. the ability to work - has many forms - mechanical iii. potential energy - chemical - elastic - gravitational kinetic energy - energy of movement - electrical iv. nuclear - radiant - thermal one line of shondra’s notes is irrelevant to the rest of her notes. which line is about a different topic than the rest of shondra’s notes? a - i b - ii c - iii d - iv

Amachine, modeled as a simple spring-mass system, oscillates in simple harmonic motion. its acceleration is measured to have an amplitude of 5,000 mm/s with a fre- quency of 10 hz. compute the maximum displacement the machine undergoes during this oscillation.

How do hydroponic plants differ from nonhydroponic plants? a.) hydroponic plants can grow in a dryer soil. nonhydroponic plants grow in moist soil. b.) hydroponic plants grow on other plants and are known as air plants. nonhydroponic plants do not grow on other plants. c.) hydroponic plants can only grow in rain forests. nonhydroponic plants cannot grow in rain forests. d.) hydroponic plants are grown without soil. nonhydroponic plants are grown in soil.

However, had it been a real sound, the sound's pitch would have been increased by the doppler effect, since the falcon was moving the source of the sound. perpendicular to away from towards at the same speed as