If a ball is running down a ramp, why is it that when you change the height of the ramp, the ... of the ramp, then you will increase the acceleration of a ball which rolls down the ramp.
Explanation:
pls the question is not clear to me
So if they fall, the padding will protect their neck or body part so they will not hit hard against the hard wooden or tile floor.
Answer:
Calcium (Ca) => 2
Aluminium (Al) => 3
Rubidium (Rb) => 2
Oxygen (O) => 2
Sulphur (S) => 2
Iodine (I) => 1
<em><u>Formulae</u></em>
<em>Calcium</em><em> </em><em>oxide</em><em> </em><em>:</em><em> </em>CaO
<em>Alumin</em><em>ium</em><em> </em><em>iodide</em><em> </em><em>:</em><em> </em>AlI3
<em>Rubidi</em><em>um</em><em> </em><em>sulphide</em><em> </em><em>:</em><em> </em>RbS
<em>Alum</em><em>inium</em><em> </em><em>oxide</em><em> </em><em>:</em><em> </em>Al2O3
