Explanation:
We have,
Speed of plane a is 900 km/h
Plane b is moving at a rate of 
It is required to find which plane is faster. To find which plane is faster, we need to compare their speeds.
Speed of a plane a is 900 km/h and that of plane b is 50 km/h. So, we can say that plane a is moving faster.
a) mass
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Fossils are usually formed under heat and pressure deep in the earth. Relative dating is using the rock layer it was found in, and absolute dating is using radioactive decay to find the exact date a fossil was formed.
Answer:
fringes move farther
Explanation:
The relation between the distance between the fringes is given by
y = Dλ/d
where, D is the distance between the plane of slit and the screen
d is the width of slit, λ is the wavelength of light used.
As the slit made narrower, that means d decreases, the value of y increases, that means the fringes move farther.
Answer:
Product labels are important for explaining to consumers what they are buying. This can be a safety issue if customers have allergies or health concerns.
Explanation:
