Answer:
Explanation:
a) Linear density is greater on the left side because the velocity of wave in a string is inversely proportional to the linear mass density of the string
b) We should start pulse from the left hand side so the reflected wave does not get inverted because the wave traveling from the denser to lighter medium gets reflected in the same phase.
Option C is the correct answer
Answer:
Carbon dating only works for objects that are younger than about 50,000 years, and most rocks of interest are older than that. ... Scientists can determine how long ago an organism died by measuring how much carbon-14 is left relative to the carbon-12.
Explanation:
The amplitude of the sound waves coming out of the speaker
or headphones will increase, and your little brother will start
banging on the wall and telling you to turn it down.
Answer:
Explanation:
The sum of kinetic and potential energy is the mechanical energy of the system. Assuming the energy of the system is conserved, which it is in your case, then the initial mechanical energy will equal the final mechanical energy. This relationship is very useful in mechanics.