In waveform physics, constructive and destructive interference describes the way two different waves interact with one another. If two waves are aligned such that the peaks of both are in the same spot, the waves experience constructive interference - the two add together and become a single, more powerful wave. The opposite happens if the peak of one meets the trough of the other - the two cancel each other out, and the magnitude of the combined wave is lesser than the individual waves. There are also other, more complex versions of interference if they don’t align cleanly, but the most common descriptions of interference are the ones described above.
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Answer:
Before:
After:
Explanation:
<u>Conservation of Momentum</u>
Two objects of masses m1 and m2 moving at speeds v1o and v2o respectively have a total momentum of
After the collision, they have speeds of v1f and v2f and the total momentum is
Impulse J is defined as
Where F is the average impact force and t is the time it lasted
Also, the impulse is equal to the change of momentum
As the total momentum is conserved:
We can compute the speed of the second object by solving the above equation for v2f
The given data is
a) The impulse will be computed at the very end of the answer
b) Before the collision
c) After collision
Compute the car's speed:
And the car's momentum is
The Impulse J of the system is zero because the total momentum is conserved, i.e. \Delta p=0.
We can compute the impulse for each object
The force can be computed as
The force on the car has the same magnitude and opposite sign
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Because noble gases has full of 8 electron in her external cell......
Well if the rock doesn't move, then there is no amount of work done. There is no work done on an object if a force is applied to the object but it DOES NOT change its position, in this case is the rock.
