Answer:
8
Explanation:
IMA of Wheel and Axle :
IMA = Radius of wheel / Radius of axle
Radius of wheel, radius of handle, R = 1.6 cm
Radius of axle, radius of shaft, r = 0.2 cm
IMA = Radius of wheel / Radius of axle
IMA = 1.6 / 0.2
IMA = 8
Hence, the ideal mechanical advantage is 8
C. (is the correct answer for Penn Foster) encourages people to open businesses and invent new products.
Answer:
b. Fe, Mg, and Ca
Explanation:
In an ultramafic magma, there is concentration of Fe, Mg and Ca in the melt. An ultramafic magma is one with less amount of silica content. Ultramafic magma are usually rich in iron bearing minerals, magnesium and calcium. These minerals are usually the first to crystallize out in a melt when rocks are heated.
