Answer:
D quadruple
Explanation:
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:
a) Vf = 27.13 m/s
b) It would have been the same
Explanation:
On the y-axis:
Solving for t:
t1 = 0.67s t2= -2.4s
Discarding the negative value and using the positive one to calculate the velocity:
So, the module of the velocity will be:
If you throw it above horizontal, it would go up first, and when it reached the initial height, the velocity would be the same at the throwing instant. And starting then, the movement will be the same.