Physics, 11.02.2023 15:20 zanestone12

I need help with all three questions for this problem

Answers

Answer from: MidnightAIY179

Explanation:

The given force is:

Part A

If the displacement of the dog is:

d = (0.29m)x

The work done is the dot product of the force and displacement

$\begin{gathered} W=F.d \\ \\ W=\text{ \lparen2.2\rparen\lparen0.29\rparen+\lparen1.0\rparen\lparen0\rparen} \\ \\ W=0.638Joules \end{gathered}$

Part B

If the displacement of the dog is:

d = (0.29m)y

The workdone will be calculated as:

$\begin{gathered} W=F.d \\ \\ W=(2.2)(0)+(1.0)(0.29) \\ \\ W=0.29\text{ Joules} \end{gathered}$

Answer from: Quest

answer: the rock sample is a sedimentary rock.

explanation:

it is given that:

mass of rock sample, m = 2.7 g

volume of rock sample, $v = 1.1 cm^{3}$

so, density of rock sample will be

$density = \frac{mass}{volume}$

$\rho =\frac{2.7}{1.1}g/cm^{3}\\\\\rho =2.45 g/cm^{3}$

since, the density of rock sample is $2.45 g/cm^{3}$ . hence, the rock sample is a sedimentary rock, whose densities varies between $2g/cm^{3} - 2.6 g/cm^{3}$ .

Answer from: Quest

Depending on how the continental plates move it can cause a continental scale shift.

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