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mihalych1998 [28]
3 years ago
14

In this closed system, a dog has sprinted to the top of a cliff. The dog (mass of 25kg) had been sprinting with a velocity of 13

m/s. Using what you know about potential and kinetic energy in systems, how tall is the cliff?
Given:

mass =
height =
velocity =
Formula for a closed KE/PE system:

Plug in the numbers:

Answer (with Units):
Physics
1 answer:
umka21 [38]3 years ago
6 0
According to this photo, or i can recommend this video that helped me by tapton physics.

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Answer: (Sorry, but I don't know how to calculate mass)

1. 15 N

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3 0
2 years ago
Student 1 lifts a box with a force of 500 N and sets it on a tabletop 1.2 m high. Student 2 pushes an identical box up a 5 m ram
Troyanec [42]

The student who did the most work is student 2 with 2500 Joules.

<u>Given the following data:</u>

  • Force 1 = 500 Newton
  • Distance 1 = 1.2 meter
  • Force 2 = 500 Newton
  • Distance 2 = 5 meter

To determine which of the students did the most work:

Mathematically, the work done by an object is given by the formula;

Work\;done = Force \times distance

<u>For </u><u>student 1</u><u>:</u>

Work\;done = 500 \times 1.2

Work done = 600 Joules

<u>For </u><u>student 2</u><u>:</u>

Work\;done = 500 \times 5

Work done = 2500 Joules.

Therefore, the student who did the most work is student 2 with 2500 Joules.

Read more: Read more: brainly.com/question/13818347

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3 years ago
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This is the process of compaction.
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Why won't a chain reaction occur in natural uranium?
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