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3 years ago

How many times does 12 go into 150?

Mathematics

2 answers:

mina [271]3 years ago

4 0

12 times and there’s a half leftover

defon3 years ago

3 0

Answer:

The quotient (integer division) of 150/12 equals 12; the remainder (“left over”) is 6.

Step-by-step explanation:

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3 years ago

A steel ball is dropped from a building’s roof and passes a window, taking 0.125 s to fall from the top to the bottom of the win

Anna35 [415]

Answer:

20.425 m

Step-by-step explanation:

t = Time taken

u = Initial velocity

v = Final velocity

s = Displacement

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$s=ut+\frac{1}{2}at^2\\\Rightarrow u=\frac{s-\frac{1}{2}at^2}{t}\\\Rightarrow u=\frac{1.2-\frac{1}{2}\times 9.81\times 0.125^2}{0.125}\\\Rightarrow u=8.98\ m/s$

Now this will the final velocity when it reaches the top of the window

$v^2-u^2=2as\\\Rightarrow s=\frac{v^2-u^2}{2a}\\\Rightarrow s=\frac{8.98^2-0^2}{2\times 9.81}\\\Rightarrow s=4.11\ m$

$v=u+at\\\Rightarrow v=8.98+9.81\times 0.125\\\Rightarrow v=10.21\ m/s$

If the upward flight is an exact reverse of the downward flight then the time taken while going down will be 1 second and going up will be 1 second.

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Hence total height of the building is 4.11+1.2+15.115 = 20.425 m

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When using your portable radio, you must push the "press to talk" button and wait one second before speaking. This is essential

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Answer:

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Step-by-step explanation:

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He found the length of the yard

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