1. how does the acceleration compare for an object in free fall when an it is thrown up versus thrown down? a. the acceleration is faster when it is thrown up compared to thrown down. b. the acceleration is positive when it is thrown up and negative when it is thrown down. c. the acceleration is slower when it is thrown up compared to thrown down. d. the acceleration is the same regardless of being thrown up or thrown down.
2. a textbook is dropped from the second story stairs and free falls to the ground. what changes, if any, would be observed of the velocity and the acceleration of the textbook as it falls? a. the velocity decreases b. the velocity increases c. the acceleration remains constantd. both b & c
Answers: 3
Physics, 21.06.2019 20:30, milhai0627a
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.)
Answers: 2
Physics, 22.06.2019 07:30, idkjules5728
Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.
Answers: 2
Physics, 22.06.2019 10:50, infinitexero1022
Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k
Answers: 1
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