Which of these was Sir Isaac Newton not known for? invention of calculus invention of the microscope the Three Laws of Motion un
2 answers:
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The answer is: 12.30 degrees.
To solve this problem you must apply the proccedure shown below:
1. You run 22 meters horizontally and then you climb a rope vertically for 4.8 meters.
2. So. let's call the angle , therefore, you must find it using
, as following:
3. Substitute values and solve for the angle:
Answer:
W = 907963.50 J = 907.96 J
Explanation:
Note: Refer to the figure attached
Now, from the figure we have similar triangles ΔAOB and ΔCOD
we have
or
Now, the work done to empty the tank can be given as:
or
or
or
or
or
or
W = 907963.50 J = 907.96 J
Answer:
Density = mass/volume
Volume of cube = mass/density
630g/8.94 = 70.5cm^3 (3s.f.)
Since it is a cube, its dimensions of Length x breadth x height=volume
Take 70.5 amd cube root it
=4.13 (3s.f)
hence , it would be 4.13 x 4.13 x 4.13 to find the volume
Hence, the answer would be 4.13cm(3s.f.)