How do I find the displacement? Help frl
1 answer:
Answer:
- distance traveled: 30 m
- displacement: 21.4 m
Step-by-step explanation:
You want the distance traveled and the displacement after walking 17 m south and 13 m east.
<h3>Distance</h3>The distance traveled is the sum of the lengths of each leg of the trip:
17 m + 13 m = 30 m
You have traveled a distance of 30 m.
<h3>Displacement</h3>The displacement is the distance from your final position to your starting position. If you draw a diagram of the journey, you see the displacement is the hypotenuse of a right triangle with legs 17 m and 13 m. The Pythagorean theorem can help you find this length:
h = √(a² +b²)
h = √(17² +13²) = √(289 +169) = √458 ≈ 21.401
At the end of your walking, you are 21.4 m from where you started.
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Answer:
x < −4
Step-by-step explanation:
−3x + 5 > 17
Subtract 5 from both sides.
−3x > 17 − 5
Subtract 5 from 17 to get 12.
−3x > 12
Divide both sides by −3. Since −3 is < 0, the inequality direction is changed.
Divide 12 by −3 to get −4.
So then you get x < −4 which is your answer.