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Verizon [17]
3 years ago
11

Where is 3cm on a ruler

Physics
1 answer:
Gemiola [76]3 years ago
5 0
At the top lol old good luck
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A car travels 20 km South, then turns and travels 30 km East? What is the total displacement?
Ne4ueva [31]

Answer:

Explanation:36.05 km

Given

First car travels r_1=20\ km South

then turns and travels r_2=30\ km east

Suppose south as negative y axis and east as positive x axis

So, r_1=-20\hat{j}

r_2=30\hat{i}

Displacement is the shortest between initial and final point

Dispalcement=r=r_1+r_2

Displacement=-20\hat{j}+30\hat{i}

Displacement=30\hat{i}-20\hat{j}

Magnitude =\sqrt{30^2+(-20)^2}

Magnitude=36.05\ km

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3 years ago
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What is the difference between resilience and modulus of resilience
pshichka [43]
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Which statement describes the endothermic reaction by this graph?
alexgriva [62]

Answer:

B

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exothermic: heat given out

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the type of tomato plants used.

Explanation:

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