Projectile Motion Problem Solving

Projectile Motion Problem Solving-53
Further, the initial vertical velocity of the projectile is zero.This means that you could hurl an object 1000 m/s horizontally off a cliff, and simultaneously drop an object off the cliff from the same height, and they will both reach the ground at the same time (even though the hurled object has traveled a greater distance).And if you want an object to travel the maximum possible horizontal distance (or range), launch it at an angle of 45°.

You can therefore conclude that the baseball travels 26.8 meters horizontally before reaching the ground.

Question: Projectile A is launched horizontally at a speed of 20 meters per second from the top of a cliff and strikes a level surface below, 3.0 seconds later.

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Since you already know how to solve horizontal and vertical kinematics problems, all you have to do is put the two results together!

Start these problems by making separate motion tables for vertical and horizontal motion.

Then, use the components for your initial velocities in your horizontal and vertical tables.

Finally, don't forget that symmetry of motion also applies to the parabola of projectile motion.

Projectile B is launched horizontally from the same location at a speed of 30 meters per second.

The time it takes projectile B to reach the level surface is: Answer: 3 seconds.


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