explain the proper definition of light?
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Explain the law of machines?
Why does the reflection of objects seen on a cheap looking glass give distorted images ?
Why do the front wheels of a motor car usually lean outwards ?
Do radio-waves go in straight line ?
Why do you not collapse under the pressure created by the atmosphere?
A truck travels 420 m. Each tire on the truck has a diameter of 42 cm. If one revolution of a tire is equal to 2? Times the radius of the tire (in meters), which of the following equations shows how many revolutions each tire makes as the distance is traveled?
Explain the parallel force?
What is the Ordinary magnet ?
Can a vector have a component equal to zero and still have a nonzero magnitude?
Why is n-type conductor is neutral?
Explain nuclear fission?
Which animals communicate on under water sounds?