Physics, 08.11.2019 13:31, jomayrarivas1owj35x

# If a ball is thrown, it would continue moving at the speed forever until...

If a ball is thrown, it would continue moving at the speed forever until something changed its speed or direction. is this true or false

Answers: 2

Physics, 21.06.2019 20:10, andybiersack154

Select the correct answer. anna will wear a black dress when she attends het cousin's wedding. which color(s) does the dress absorb? a. all colors b. no colors c. red and green d. white

Answers: 1

Physics, 22.06.2019 00:30, Solany6426

Part f - example: finding two forces (part i) two dimensional dynamics often involves solving for two unknown quantities in two separate equations describing the total force. the block in (figure 1) has a mass m=10kg and is being pulled by a force f on a table with coefficient of static friction îľs=0.3. four forces act on it: the applied force f (directed î¸=30â above the horizontal). the force of gravity fg=mg (directly down, where g=9.8m/s2). the normal force n (directly up). the force of static friction fs (directly left, opposing any potential motion). if we want to find the size of the force necessary to just barely overcome static friction (in which case fs=îľsn), we use the condition that the sum of the forces in both directions must be 0. using some basic trigonometry, we can write this condition out for the forces in both the horizontal and vertical directions, respectively, as: fcosî¸â’îľsn=0 fsinî¸+nâ’mg=0 in order to find the magnitude of force f, we have to solve a system of two equations with both f and the normal force n unknown. use the methods we have learned to find an expression for f in terms of m, g, î¸, and îľs (no n).

Answers: 2

Physics, 22.06.2019 02:30, ParallelUniverse

Gunpowder residue is most likely to show up where on a shooters hands

Answers: 1

If a ball is thrown, it would continue moving at the speed forever until something changed its speed...

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