Answer:
Mass is the same, weight is less.
Explanation:
We know the following equation
W = mg
where m is the mass of the astronaut which is constant and W is the weight. As g (the acceleration due to gravity) is a variable which it is directly proportional to the W, if g is lower on the Moon than on Earth, then W is lower on the Moon than on Earth.
B. Transition Metals.
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From the diagram The value of cos C × sin A = 
<h3>Determine the numerical value of cos C × sin A</h3>
First step : determine the values of cos C and sin A
cos C = adjacent / hypotenuse
= a / b
= 
= √3/2
sin A = sin 60⁰
= √3/2
Therefore the numerical value of cos C * sin A =
In conclusion From the diagram The value of cos C × sin A =
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If two sources emit waves with the same wavelength and a constant phase difference ϕ, they are said to be coherent.
<h3>What is coherent source ?</h3>
- If the frequency and waveform of two wave sources are the same, they are coherent. Waves' optimal quality of coherence makes stationary interference possible.
- When the phase difference between two beams of light is constant, they are coherent; if the phase difference is random or changes, they are noncoherent.
- The concept of a superpositioning at the core of quantum physics and quantum computing is referred to as "quantum coherence." Quantum coherence specifically considers a scenario in which a wave property of an item is split in two and the two waves coherently interfere with one another.
- The interference visibility, which examines the size of the interference fringes in relation to the input waves, is an easy way to measure the degree of coherence; correlation functions provide a precise mathematical definition of the degree of coherence.
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