Physics, 19.02.2020 05:26 kayciemarie9486
A dockworker applies a constant horizontal force of 89.0 N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 12.5 m in a time of 5.50 s. A) What is the mass of the block of ice?B) If the worker stops pushing at the end of 4.50 s, how far does the block move in the next 4.20 s ?.
Answers: 3
Physics, 21.06.2019 21:40
Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.
Answers: 1
Physics, 22.06.2019 18:30
Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.
Answers: 1
A dockworker applies a constant horizontal force of 89.0 N to a block of ice on a smooth horizontal...
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