What is the acceleration of a full bottle of water dropped fron a desk
1 answer:
The acceleration of the bottle is downward
Explanation:
When an object is in free fall (=only the force of gravity is acting on it), its acceleration is equal to the acceleration of gravity.
In fact, the only force acting on the object is the force of gravity, whose magnitude is:
where
m is the mass of the object
is the acceleration of gravity
According to Newton's second law, the net force on the object is equal to the product between its mass (m) and its acceleration (a), so
By combining the two equations, we get
Therefore, the acceleration of any object in free fall (and so, also of the bottle in the problem) is .
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Answer:
9 cm
-36 cm
Explanation:
u = Object distance
v = Image distance
f = Focal length = 12
m = Magnification = 4
Lens equation
Object distance is 9 cm
Image distance is -36 cm (other side of object)
Answer:
The y-component of the electric force on this charge is
Explanation:
<u>Given:</u>
- Electric field in the region,
- Charge placed into the region,
where, are the unit vectors along the positive x and y axes respectively.
The electric field at a point is defined as the electrostatic force experienced per unit positive test charge, placed at that point, such that,
Thus, the y-component of the electric force on this charge is