Why is force and Velocity different??

Chemistry

2 answers:

Nitella [24]3 years ago

7 0

Answer:

force is a push or pull on an object, velocity is how fast an object is moving

Lana71 [14]3 years ago

3 0

Answer:

Force and velocity are connected concepts -- one acts on the other. Force is a measure of power. It makes things happen. Velocity, on the other hand, is a quality an object has.

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patriot [66]

Answer:

a) formula for citric acid is - C6 H8 o7

b) lime water turns opaque after adding co2 due to the formation of calcium carbonate.

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8 0

2 years ago

The British gold sovereign coin is an alloy of gold and copper having a total mass of 7.988 g, and is 22-karat gold.

azamat

Answer:

(a) $m_{gold}=7.322g$

(b)

$V_{gold}=0.379cm^3$

$V_{copper}=0.122cm^3$

Explanation:

Hello,

(a) In this case, with the given formula we easily compute the mass of gold contained in the sovereign as shown below:

$m_{gold}=\frac{m_{tota}*karats}{24}=\frac{7.988g*22}{24}=7.322g$

(b) Now, by knowing the density of gold and copper, 19.32 and 8.94 g/cm³ respectively, we compute each volume, by also knowing that the rest of the coin contains copper:

$V_{gold}=\frac{m_{gold}}{\rho_{gold}} =\frac{7.322g}{19.32g/cm^3}=0.379cm^3$