The table shows the potential energy and kinetic energy of a skier at two different positions on a hill. Position and Energy

Question

The table shows the potential energy and kinetic energy of a skier at two different positions on a hill.

Position and Energy
Position (above ground) Kinetic Energy Potential Energy
100 meters 0 units 50,000 units
60 meters 20,000 units ?
What is the potential energy of the skier at a height of 60 meters above the ground?

Group of answer choices

30,000 units, because total energy decreases

70,000 units, because total energy decreases

30,000 units, because total energy remains unchanged

70,000 units, because total energy remains unchanged

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Mít Mít 4 years 2021-07-23T08:56:56+00:00 2 Answers 142 views 0

Answers ( )

  1. huyenthanh
    0
    2021-07-23T08:58:15+00:00
    Reply

    Answer:

    30,000 units, because total energy remains unchanged

  2. minhkhoi
    0
    2021-07-23T08:58:52+00:00
    Reply

    Answer:

    30,000 Units because, It remains unchanged.

    Explanation:

    Did the test, It’s correct

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )