Paula has a hard time reading the tiny print in her book. She squeezes her eyes into a squint and it helps. Paula had
control of squinting, so what nervous system is involved?
A autonomic nervous system
B somatic nervous system
C central nervous system
D not listed

Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 11.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.80 m/s; (b) he is then lifted at the constant speed of 4.80 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 78.0 kg rescue by the force lifting him during each stage

The image shows the positions of a car on a roller coaster track. arrange the cars in order based on their gravitational potential energy. begin with the lowest potential energy and end with the highest.

Ineed the answers for these promblems i have