If two waves with equal amplitude and wavelength travel through a medium such that particular particle is at the crest of one wave and at the trough of another wave, then destructive interference will take place.Both waves will cancel each other out at that point such that a node will form in which the particle will remain at its rest position only and will not move.
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Therefore the resistance of the air makes the movement not parabolic but shorter in each direction
Explanation:
The projectile motion is described by the kinematics equations giving a parabolic trajectory, where on the x axis there is no acceleration and on the y axis the acceleration is the acceleration of gravity.
When the air resistance is taken into account it can be approximated as a force that opposes the movement that for low speeds is proportional to the speed of the space.
Consequently, the movement in the axis and the acceleration is less, in some cases it can be so small that the constant handle speed, in this case, is called terminal velocity.
On the x-axis the friction force creates an acceleration in the negative direction of the movement that the projectile has to brake.
Therefore the resistance of the air makes the movement not parabolic but shorter in each direction.
Answer: The car has a kinetic energy (because it's in motion) of: 
Explanation:
