Answer:
mass of water is 0.2kg
Explanation:
mass of water is tota mass of bowl minus mass of bowl
The Earth and the Moon circle their common center of mass, and
that common center of mass is what circles the Sun, once a year.
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THE ANSWER IS
D. A gas when vinegar and baking soda are mixed
EXTRA INFO: An exmaple of phyical change is sawing a piece of wood
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The energy of a single photon at the transmitted frequency is 
Answer: Option b
<u>Solution:</u>
Energy of photon is given as 
Where c is the velocity of Light 
h is planck's constant 
λ is the wavelength of photon
Energy of photon can be rewritten as 
Where f is the frequency of photon
Frequency of photon is obtained by dividing velocity of light by wavelength of photon.
Answer: The Bluray Disk can store more information
The wavelenght of red light is around 700nm, whereas the wavelenght of violet light is around 400nm. Since the violet light has smaller wavelenght the data tracks on a Blu-ray Disk can be spaced closer together and the Blueray Disk can store more information
Explanation: Because a disk work by storing data using bits, the more bits can be stored in one place improves the total storage on the unit. The less the space to storage the bit, the more space overall for the disk.
