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mina [271]
3 years ago
12

One event in a high school track meet is the 400 meter run. If the runners of the 4oo meter event start and end at the same loca

tion, what is their DISPLACEMENT?
Physics
1 answer:
ohaa [14]3 years ago
6 0
In physics, displacement is a physical quantity that is used to describe the overall change in the position of an object/person.
In other words, it describes how far you are from your initial position.

In the given problem, the initial position is the same as the final position. This means that overall change in position is zero, which also means that the difference between the final and initial positions is zero.

Based on the above, the displacement is zero.
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This also means that the atomic number Z of the element (the atomic number is the number of protons in the nucleus) decreases by 2 units in the process, while the mass number A (the mass number is the sum of the number of protons and neutrons) decreases by 4 units. 
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A 1,000 kg car is driving on a 15 m high bridge at 5 m/s. What is the kinetic energy of the car?
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2 years ago
Question 1 of 10
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