Answer:
10 seconds
Explanation:
because the cat is moving one m/s slower than the dog, the dog has a relative speed of 1 m/s. 10 meters would take 10 seconds for the dog to cover
The moveable type drastically changed society. Its primary impact was the distribution of knowledge. Since people could now type books, rather than handwriting then, literary works could be shared faster than ever before. This had a massive impact on education.
<u>Answer
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4.The objects have the same acceleration
<u>Explanation
</u>
Acceleration due to gravity is the acceleration acquired by an object when falling freely.
Under normal conditions, different objects has different accelerations depending on their mass and surface area. This is brought about by the air resistance they experience as they fall.
The case is difference when they the experiment is carried out in a controlled condition. That is in vacuum. I this case the acceleration of the objects is the same.
<span>This statement is true that Investigations provide large amounts of information about a wide range of variables.
We investigate to collect the information about all the variables, then we correlate the information of different variables to get some common information. And, with this information, we further process to achieve the required goal.
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Answer:
Explanation:
Using Snell's law which is represented by
Making 
the subject of the formula then
Here 
and are the angles of incidence and refraction in water and air respectively
and 
are refraction index
Substituting 1.0003 for and 1.33 for then 
for 
we obtain
