Adita lifts a book from the floor, carries it across the room, and places it on a high shelf. when is adita doing work on the book?

a) she does work on the book at no time during this process.
b) she does work only while she carries the book across the room.
c) she does work from the moment she touches the book until she lets it go.
d) she does work as she picks up the book and as she lifts it to the shelf.

John throws .4 kg ball with velocity of 18 m/s. hits .2 kg bottle and bottle flies 25 m/s. how fast is ball traveling after hitting the bottle?

Describe uniform velocity and variable velocity in short

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.