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Studentka2010 [4]
3 years ago
9

Drag the tiles to the correct boxes to complete the pairs.

Physics
2 answers:
Sergeu [11.5K]3 years ago
6 0

Answer:

Sound energy to electric energy - a person talking into a microphone

Radiant energy to electric energy - sunlight falling on solar panels

Gravitational potential energy to motion energy - a ball dropped from a height

Explanation:

A person talking is the sound energy and going into an electric phone

Sunlight or Radiant energy falls onto the solar panels creating electric energy

The ball is being pulled down by gravity from a certain height, going down to the ground, it’s motion, falling

REY [17]3 years ago
3 0

a ball dropped from a height ==> gravitational potential energy to motion energy

sunlight falling on solar panels  ==> radiant energy to electric energy

a person talking into a microphone  ==> sound energy to  electric energy

______________________________________

sound energy to  electric energy  ==> a person talking into a microphone

radiant energy to electric energy ==> sunlight falling on solar panels  

gravitational potential energy to motion energy ==> a ball dropped from a height

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Bess [88]

Answer:

The frequency of the oscillation is 0.9Hz

Explanation:

This problem bothers on simple harmonic motion of a spring

Given data

Mass of the child m= 25kg

Spring constant k=791 N/m

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But the period of the motion as a result of the adults sholve is expressed as

T=2π√m/k

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T=6.284*0.176

T=1.11 sec

But frequency F=1/T

F=1/1.11

F=0.9Hz

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