Question 3 1 pts
Who will have the greatest force of gravity acting on them?
O A 100kg astronaut 2000 km from the earth
O A 100kg astronaut 1000 km from the earth
O A 150kg astronaut 2000 km from the earth
O A 150kg astronaut 1000 km from the earth

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

What is the most useful equation for electric power?

Atomic nuclei of almost all elements consist of