$a=\dfrac{2d}{t^2}\ \ \ \ \ |\text{solve for t} \\ \\\\\dfrac{2d}{t^2}=\dfrac{a}{1}\ \ \ \ \ |\text{cross multiply}\\\\at^2=2d\ \ \ \ \ |:a\\\\t^2=\dfrac{2d}{a}\to t=\sqrt{\dfrac{2d}{a}}\\\\\text{We have}\\ \\a=2\dfrac{m}{s^2},\ d=10m\\\\\text{substitute}\\\\t=\sqrt{\dfrac{2\cdot10m}{2\frac{m}{s^2}}}=\sqrt{10m\cdot\dfrac{s^2}{m}}=\sqrt{10s^2}=\sqrt{10}\ s\\\\Answer:\ C.\ \sqrt{10}\ seconds$

4 0

3 years ago

A table has 16 glasses on it. 7of the glasses are large. The rest are small. How many glasses are small?

kirill [66]

9? Unless it’s a trick question

5 0

3 years ago

Read 2 more answers

Which expression is equivalent to <img src="https://tex.z-dn.net/?f=%283m%29%284m%29%5E2" id="TexFormula1" title="(3m)(4m)^2" al

joja [24]

Is this question
(3m)(4m)^2
If so the answer is:
48m^3

7 0

2 years ago