A stone is projected up from the ground with velocity of 90m calculate time it takes to travel up and back to the ground. taking g=10 ​

What kinds of images does the word "twinkling" suggest? dirt, earth, poverty, race leaves, trees, green, spring stars, dreams, looking upward, heaven darkness, sadness, loneliness, isolation they eat beans mostly, this old yellow pair. dinner is a casual affair. plain chipware on a plain and creaking wood, tin flatware. two who are mostly good. two who have lived their day, but keep on putting on their clothes and putting things away. and remembering, with twinklings and twinges, as they lean over the beans in their rented back room that is full of beads and receipts and dolls and cloths. tobacco crumbs, vases and fringes.

Read the excerpt from "mother tongue." lately, i’ve been giving more thought to the kind of english my mother speaks. like others, i have described it to people as “broken” or “fractured” english. but i wince when i say that. it has always bothered me that i can think of no other way to describe it other than “broken,” as if it were damaged and needed to be fixed, as if it lacked a certain wholeness and soundness. what best supports the inference that tan believes nonstandard english is no less valid than standard english? tan spends a lot of time thinking about her mother’s “fractured” english. tan has trouble thinking of descriptive words when she is writing. tan’s american education makes it difficult for her to understand her mother. tan winces when she describes her mother’s english as “broken.”

5. the following question refers to the four selections by albert einstein: these readings show that, between 1939 and 1952, einstein a) abandoned science and turned to political activism. b) revised his opinions about the need for nuclear weapons. c) worked tirelessly to abolish nuclear weapons. d) devoted himself solely to scientific research.