1 കി.ഗ്രാം മാസുള്ള ഒരു വസ്തു 10 മീ/സെക്കൻഡ് പ്രവേഗത്തിൽ  സഞ്ചരിക്കുന്നു. വസ്തുവിന്റെ ഗതികോർജ്ജം കണ്ടെത്തുക.

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RRB ALP Electrician 22 Jan 2019 Official Paper (Shift 1)
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  1. 5 J
  2. 100 J
  3. 10 J
  4. 50 J

Answer (Detailed Solution Below)

Option 4 : 50 J
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Detailed Solution

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ആശയം:

ഗതികോർജ്ജം (K.E): 

  • ഒരു വസ്തുവിന് അതിന്റെ ചലനത്താൽ ലഭിക്കുന്ന ഊർജ്ജത്തെ ഗതികോർജ്ജം എന്ന് വിളിക്കുന്നു.
  • ഗതികോർജ്ജത്തിന്റെ സമവാക്യം ഇതാണ് 

ഇവിടെ m = വസ്തുവിന്റെ മാസ് v = വസ്തുവിന്റെ പ്രവേഗം 

കണക്കുകൂട്ടൽ:

നൽകിയിരിക്കുന്നത്:

മാസ് (m)= 1 kg.

പ്രവേഗം (v)= 10 m/s.

ഗതികോർജ്ജത്തിന്റെ സമവാക്യം നൽകുന്നത്,

ഗതികോർജ്ജം = 

∴ വസ്തുവിന്റെ ഗതികോർജ്ജം 50 J ആണ്.

ശരിയായ ഓപ്ഷൻ 4 ആണ്.

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