1) Define the term velocity.
2) When is the acceleration positive and negative? URGENT!!!!
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1) Velocity :
It is defined as "displacement per unit interval of time".
Velocity,v = (Displacement) / time
2) Generally, acceleration is positive when the velocity increase with time and negative when the velocity decreases with time.
It is defined as "displacement per unit interval of time".
Velocity,v = (Displacement) / time
2) Generally, acceleration is positive when the velocity increase with time and negative when the velocity decreases with time.
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The velocity of a body is the distance traveled by the body in a specified direction in a unit time interval. It is a vector quantity.
Acceleration is positive when the velocity of body increases with time, whereas it is negative when the velocity of body decreases with time.
Acceleration is positive when the velocity of body increases with time, whereas it is negative when the velocity of body decreases with time.
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