Science Thermal Physics

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Q: A ladder leaning against a wall has an elevation angle of 60  

• A 7.02 m
• B 6.5 m
• C 5.62 m
• D 6.9 m
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D

Answer: D

Let AB be the wall and BC be the ladder. Then, ACB = 60° and AC =3.45 m.

AC/BC = cos 60° = 1/2

= 2 x AC

= (2 x 3.45) m

= 6.9 m.

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This multiple-choice question (MCQ) quiz is focused on the topic of thermal physics. It covers concepts such as temperature, heat transfer, laws of thermodynamics, kinetic theory of gases, and thermal properties of matter. The quiz contains a range of questions designed to test the knowledge and understanding of the participants in this area.