PLEASE HELP A 64.0-kg male ice skater is facing a 42.0-kg female ice skater. They are at rest on the ice. They
push off each other and move in opposite directions. The female skater moves backwards with a
speed of 3.11 m/s. Determine the speed of the male skater (after collision)

last one is the answer

Explanation:hope it helps

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer

here are some information of the future of geothermal energy:

-the future of geothermal energy can pretty much be summed up with a single word: more

-scientists plan in going deeper than 120 meters

-we are hoping that one day, we will get all of our energy from renewable energy sources such as geothermal energy

hope this !