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s2008m [1.1K]
3 years ago
8

A 31.0 kg child on a swing reaches a maximum height of 1.92 m above their rest position.

Physics
1 answer:
ValentinkaMS [17]3 years ago
6 0
<span>c) Assuming this maximum height was the result of one push from her parent, what was the </span>
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David drove the first 6 hours of his journey at 65 km/hour and the last 3 hours of his journey at 80 km/hour. how far is the who
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Some of this energy is converted into thermal energy due to wind resistance, a form of
siniylev [52]

kinetic energy

Explanation:

Some of this energy is converted into thermal energy due to due wind resistance, a form of kinetic energy.

Kinetic energy is energy in motion. It is due to movement of particles of a medium.

Thermal energy is a type of kinetic energy.

  • Energy is defined as the ability to do work.
  • We two main primary forms of energy.
  • Kinetic energy is the energy due to motion of a body.
  • Potential energy is the energy due to the position of a body.

Examples of kinetic energy are mechanical energy, thermal energy

Potential energy are chemical energy, gravitational energy

learn more:

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5 0
3 years ago
Two children stretch a jump rope between them and send wave pulses back and forth on it. The rope is 4.5 m long, its mass is 0.4
lions [1.4K]

Answer:

density = 0.0933 kg/m

speed = 27.581 m/s

Explanation:

given data

length L = 4.5 m

mass m = 0.42 kg

force  F = 71 N

to find out

mass density and speed

solution

we find linear mass density

linear mass density  = mass / length

put here all value

density = 0.42 / 4.5

density = 0.0933 kg/m

and

speed of wave

speed = √(F/density)

speed = √(0.42/0.933)

speed = 27.581 m/s

7 0
3 years ago
Alan completes the Mood Awareness Scale and scores high on the dimension of mood monitoring, a measure of attention to one’s emo
zepelin [54]

Answer:

The correct answer is - option D. managing emotions.

Explanation:

Managing emotions is a part of self managment in which is one of the four major aspects of the emotional intelligence. Emotional intelligence have four major components or aspects that are self awareness, social awareness, self managemnt and social skill. Some other aspects such as motivation, self regulation, empathy also present in emeotional inteligence. Self managment involves emotional regulation or managment which includes self control over mood changes in unfavorable conditions and self control.

6 0
3 years ago
A Space Walk An astronaut is taking a space walk near the shuttle when her safety tether breaks. What should the astronaut do to
KiRa [710]

Answer:

There is no short answer.

Explanation:

Part A

Examining the given situation in the question where an astronaut is trying to get back to the shuttle and trying to figure out a strategy to do so, the best solution in this situation would be to throw an object in the opposite direction of the shuttle since the throwing action will results in the same force being exerted on the astronaut but in the opposite direction and thus pushing him/her towards the shuttle.

Part B

Throwing the object with the biggest mass is the best option in this situation, the force will not be affected by this since the exerted force on the object will be the same, so will the force in the opposite direction but since the lighter the astronauts total weight, the larger the accelaretion will be and therefore throwing the heaviest tool is the best option.

I hope this answer helps.

8 0
3 years ago
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