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Answer:
The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object
An example of a balanced force would be a book sitting on a shelf untouched.
Isaac Newton’s First Law of Motion states that an object at motion stays in motion, and an object at rest stays at rest until acted on by an unbalanced force. A book sitting still is an example of a balanced force because nothing is acting on it; its potential energy is stored while it’s at rest. For this book to become an unbalanced force, an outside force would have to occur (i.e pushing the book or dropping it) that causes it to not be in a state of stillness.
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The formula for sodium sulfide is Na2S.
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Answer:

Explanation:
Relative horizontal velocity of plane with respect to the car is given as

so we have


now we have



Now time taken by the object to drop the vertical height is given as



so the distance of the car must be



Angle of the car with horizontal is given as



