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kolezko [41]
3 years ago
7

The parent function `f\left(x\right)=\sqrt[3]{x}` is compressed vertically by a factor of `\frac{1}{3}` and then translated 3 un

its left and 7 units down. What is the transformed function `g\left(x\right)`?
Physics
1 answer:
tensa zangetsu [6.8K]3 years ago
4 0

Answer:

The answer is below

Explanation:

Given that f(x) = x√3.

A function can be vertically stretched or compressed by multiplying it by a positive constant. If the constant is greater than 1, it is vertically stretched and if the constant is less than 1 it is vertically compressed.

If a function f(x) = x is compressed or stretched by a constant a, then the new function g(x) = a f(x)

If a function f(x) = x is translated a units down, then the new function g(x) =  f(x) - a

If a function f(x) = x is translated a units left, then the new function g(x) =  f(x-a)

If f(x) = x√3 is compressed vertically by a factor of 1/3. The new function is

f(x)'=x\sqrt{3} *\frac{1}{3} \\\\f(x)'=\frac{x}{3} \sqrt{3}

If it is then translated 3 units left and 7 units down, the transformed function g(x) is:

g(x)=(\frac{x-3}{3}\sqrt{3} )-7

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A moving object has a kinetic energy of 150J and a momentum of 20.3kgxm/s find the speed of the object in m/s
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Answer:

v = 14.78m/s

Explanation:

Given

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Required

Determine the object's speed

Kinetic Energy is calculated as:

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Make m the subject

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Momentum is calculated as:

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Equate both expressions: m = m

\frac{2KE}{v^2} = \frac{p}{v}

Multiply both sides by v

v *  \frac{2KE}{v^2} = \frac{p}{v}*v

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Make v the subject

v = \frac{2KE}{p}

Substitute KE = 150J and p = 20.3kgm/s

v = \frac{2 * 150}{20.3}

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Answer:

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Explanation:

Given,

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The formula for a projectile that is projected from a height h from the ground is given by the relation

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Where,

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Substituting the values in the above equation

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