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Iamjungshook
03.08.2019 •
Mathematics
How many times larger the area of brazil is than the area of japan if recent statistics have reported that the total area of brazil is about 3 * 10^6 square miles, while the total area of japan is about 2 * 10^5 square miles?
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Ответ:
Area of Japan: 200,000 square miles
Ответ:
free falling object
s = ut2 + 1/2 gt2 (2nd motion eqn)
u is initial velocity which is zero
s = 1/2 gt2+
2s = gt2
t = √2s/g---*
first height us given 906 feet, solving for time using the * eqn, t = 13. 59 seconds. meaning it will take 13.59 seconds to reach the ground.
but after 2 seconds solve for the height.
after comparing i.e it takes 13.59 seconds to cover 906 feet for 2 seconds what is the height?
h = 133.33 feet.
take 906 feet - 133.33 feet
= 772.67 feet.
that is the height of the object.
this is what I think hope its right good luck