Category: Physics
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Why is ice at 273 k more effective in cooling than water at…
When ice malt it absorb the energy from the surrounding is equal to the talent heat of fusion, so it causes cooling more effective than water at the same temperature.
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Work done by a force and work done by gravity
1.A worker pushes a 20 kg box across a horizontal floor with a constant force of 50 N. The box moves 5 meters in the direction of the force. Question: How much work does the worker do on the box? 2. A 5 kg object falls from a height of 10 meters. The gravitational acceleration…
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I share a short note for students help of her life
This physics are electrostatic and elctrofulx or electro potential chapter.
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Need step-by-step explanation of image formation by concave…
A concave mirror has a focal length of 15 cm. An object is placed at a distance of 30 cm from the mirror. Find the position of the image Determine whether the image is real or virtual State whether the image is inverted or erect Draw a proper ray diagram
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Need step-by-step explanation of image formation by concave…
A concave mirror has a focal length of 15 cm. An object is placed at a distance of 30 cm from the mirror. Find the position of the image Determine whether the image is real or virtual State whether the image is inverted or erect Draw a proper ray diagram
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explicacion de magnitud y ley
esta informacion habla sobre la ley y magnitud de argentina la tabla y las unidades base.