3 years ago

1. Find the mean of the following data:

Social Studies

1 answer:

dusya [7]3 years ago

5 0

Answer:

Explanation:

im just doing this for the 50 points challenge thingy

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Development that occurs in distinct steps or stages, with each stage bringing about behavior that is assumed to be qualitatively

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Mr. Letourneau is flying his broom stick parallel to the ground. He undergoes two consecutive displacements. The first is 100 km

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Answer:190.78 km

Explanation:

Given

First Displacement is $100 km ^{\circ}$ west of north

Position Vector $(r_1)$ of displacement is given by

$\vec{r_1}=100cos10\hat{j}-100sin10\hat{i}$

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second displacement is 120 km $50^{\circ}$ east of north

Now position Vector of second Position w.r.t to first

$\vec{r_{21}}=120cos50\hat{j}+120sin50\hat{i}$

$\vec{r_{21}}=77.13\hat{j}+91.92\hat{i}$

$\vec{r_2}=\vec{r_1}+\vec{r_{21}}$

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