Answer:
3) speed
Explanation:
rate of velocity changes due to speed
in the same direction as the wave
Explanation:
In a compression wave, the particles in the medium moves in the same direction as the wave source.
A wave is generally defined as a disturbance that transmits energy.
- There are two types of waves based on the direction through which they are propagated.
- Transverse waves are directed perpendicularly in the direction of propagation.
- Examples are electromagnetic waves.
- Longitudinal waves are parallel to their source. Examples are sound waves, p-waves.
- They are made up of series of rarefaction and compression.
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Missing question content is atteched.
Answer:
•
• Velocity of tightend is 2times greater than that of linesman while velocity of halfback is thrice that of linesman.
• The halfback and tightend have the greatest momentum.
Explanation:
We are given:
= 3m/s
Therefore, considering the fact the distance covered by the tightend is twice that of the linesman in same period of time, it means the speed of tightend is 2 times faster than the linesman, the velocity of the tight end will be:
= 2 * 3m/s = 6m/s
For the halfback:
The distance covered by the halfback is 3times that covered by the linesman in same period of time, it means the speed of the halfback is thrice greater than that of the linesman.
Therefore, the velocity of the half back will be:
= 3 * 3m/s = 9m/s
• To find momentum, we use:
P = m * v
Therefore,
Momentum for halfback:
= 60kg, v = 9m/s
= 60kg * 9m/s = 540kg.m/s
Momentum for tightend =
90kg * 6m/s = 540kg.m/s
Momentum for linesman=
120kg * 3m/s = 360kg.m/s
We can see that the tightend and halfback have the greatest momentum, with a momentum of 540kg.m/s. While the linesman has the lowest momentum, with a momentum of 360kg.m/s
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