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Study with Quizlet and memorize flashcards containing terms like affect definition, effect noun definition, effect verb definition and more.
Study with Quizlet and memorize flashcards containing terms like How many forces are needed to describe and measure an interaction between two objects? A.) Three B.) Four C.) Two D.)
2 lip 2024 · Know the difference between Affect and Effect Learn with flashcards, games, and more — for free.
At 3.00 s, both y3 and v3 are negative, meaning the rock is below its starting point and continuing to move downward. Notice that when the rock is at its highest point (at 1.5 s), its velocity is zero, but its acceleration is still −9.80 m/s2.
(e) One must be very precise when it comes to identifying forces, as ultimately they must be plugged into a mathematical formula. It is not enough that a force sets off a chain of events that leads to an acceleration, it must be the direct effect of that acceleration in order to be the force that is featured in the second law.
You can see that the kinetic energy of an object can have very different values, depending on the frame of reference. However, the kinetic energy of an object can never be negative, since it is the product of the mass and the square of the speed, both of which are always positive or zero.
Projectile motion is the motion of an object thrown (projected) into the air when, after the initial force that launches the object, air resistance is negligible and the only other force that object experiences is the force of gravity. The object is called a projectile, and its path is called its trajectory.
