The distance covered is 8 blocks, the displacement is 2 blocks up
Explanation:
- Distance is a scalar quantity measuring the total length of the path covered by an object, regardless of the direction of its motion
- Displacement, on the other hand, is a vector quantity equal to the difference between the final position of motion and the initial position of motion. Its magnitude is equal to the shortest distance in a straight line between the initial and final point of motion.
In this problem, Kim walks the dog 5 blocks up and 3 blocks down:
- The distance is just the total length of the path taken, therefore:
- The displacement is a vector connecting the final point to the initial point. Since Kim walks 5 blocks up and 3 blocks down, her final position is
x = +5 +(-3) = +2
Which means, 2 blocks up. Therefore, the displacement is 2 blocks up.
Learn more about distance and displacement:
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The basic characteristics of living organisms can be reminded by using DR. R. COG one characteristic for each letter:
D- It has Dna or genetic material in its cells.
R- It has the ability to Reproduce
R- It Responds to the environment, this helps it survive easily
C- The Cell is its basic unit
O- It Obtains energy from some type of source
G- It Grows and develops with the passing of the time
Answer:
B
Explanation:
A detailed solution to the problem is shown in the image attached. You could study it. The half life, and percentage of C-14 compared to present living sample was given as 13% of that of a living sample.
My guess would be the sphere. I'm not very good at physics but I think it would be the sphere because it can roll, while the cube can't. The cube may be able to slide, but may eventually stop. It may be easier to push a sphere up a ramp better.
Gravitation is the power that keeps all magnets in place on earth which maintains rotation and balance.
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