What is sonar?
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assuming g = 9.8 m/sec2, what is the weight on earth, in newtons, of a 60 kilogram person?
Explain what does gravitational force depend on?
why the air temperature drops more on clear nights than on cloudy nights?
What cycle most directly describes the working cycle of a heat engine operating as an ideal engine of maximum thermal efficiency?
What is physical significance of wave function? : quantum physics
Why does the moon shine, evening though it has not light of its own ?
Why Speaker Output mentioned in WATTS
What is the Magnetic substance ?
What type(amount) of capacitors are used in fan?
Explain what is the ray of light?
What is the formula of velocity?
Why does the reflection of objects seen on a cheap looking glass give distorted images ?