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What is the work done in lifting a 50 kg box 2 m vertically…

Posted on: August 19, 2025 Last updated on: August 19, 2025 Written by: Anonymous
What is the work done in lifting a 50 kg box 2 m vertically up?
Continue reading “What is the work done in lifting a 50 kg box 2 m vertically…”…

Which of the following statements is NOT true of a horizonta…

Posted on: August 19, 2025 Last updated on: December 12, 2025 Written by: Anonymous
Which of the following statements is NOT true of a horizontal projectile?
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Cholose the statement that is NOT true about evaporation and…

Posted on: August 19, 2025 Last updated on: December 12, 2025 Written by: Anonymous
Cholose the statement that is NOT true about evaporation and condensation
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What is the kinetic energy of 500 g mass moving at 2 m/s?

Posted on: August 19, 2025 Last updated on: August 19, 2025 Written by: Anonymous
What is the kinetic energy of 500 g mass moving at 2 m/s?
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An air conditioner rated 2.2 kW is turned on continuously fo…

Posted on: August 19, 2025 Last updated on: December 12, 2025 Written by: Anonymous
An air conditioner rated 2.2 kW is turned on continuously for 45 hours. What is the cost of electricity at the rate of 10 cents a unit?
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Which of the following is NOT a form of heat transfer?

Posted on: August 19, 2025 Last updated on: December 12, 2025 Written by: Anonymous
Which of the following is NOT a form of heat transfer?
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Energy produced by burning fuel is called:

Posted on: August 19, 2025 Last updated on: December 12, 2025 Written by: Anonymous
Energy produced by burning fuel is called:
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What is the knetic energy of a 2 kg cart moving at 0.6 m/s?…

Posted on: August 19, 2025 Last updated on: August 19, 2025 Written by: Anonymous
What is the knetic energy of a 2 kg cart moving at 0.6 m/s?
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If latent heat of fusion of ice is 3.34 x 105 J/kg, what is…

Posted on: August 19, 2025 Last updated on: December 12, 2025 Written by: Anonymous
If latent heat of fusion of ice is 3.34 x 105 J/kg, what is the amount of heat required to melt completely 400 g of ice without a temperature change?(i)     1.34 x 105 J (ii)    2.68 x 105 J (iii)   13.44 x 105 J (iv)   26.8 x 105 J
Continue reading “If latent heat of fusion of ice is 3.34 x 105 J/kg, what is…”…

A car is moving West at a speed of 10 m/s. Which of the foll…

Posted on: August 19, 2025 Last updated on: December 12, 2025 Written by: Anonymous
A car is moving West at a speed of 10 m/s. Which of the following statements is NOT true about the speed of a passenger in the car?
Continue reading “A car is moving West at a speed of 10 m/s. Which of the foll…”…
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