An astronaut travels at a speed of 8900 m/s relative to the earth, a speed that is very small compared to c. according to a clock on the earth, the trip lasts 21 days. determine the difference (in seconds) between the time recorded by the earth clock and the astronaut's clock. [hint: when v < < c, the following approximation is valid: .]

Read the sentence. on days when i go jogging in the morning, my mind seems to process ideas faster, and my mood is more positive. how does the underlined clause add variety and meaning to the sentence? select two options. it describes the days being discussed. it makes readers want to go jogging. it creates a compound-complex sentence. it adds detail about the speaker’s personality. it explains why jogging is beneficial.

How are the themes from roosevelt's introduction to his address and the excerpt from king's letter similar? click here to read "letter from a birmingham jail."

Read the passage from an argumentative essay. many endangered species are currently threatened by climate change. there are some laws already in place, but are they effective enough? anyone with a conscience knows that these creatures deserve the chance to survive without outside threats impeding their survival. i suppose this is a tough decision for lawmakers, but i hope they choose wisely. which statement best evaluates the claim in the passage?