If the magnitude of F1 is greater than the magnitude of F2, then the box is
2 answers:
Answer:
Moving at constant speed in the direction of .
Explanation:
Let us consider that there are two forces acting on the box i.e
Let us assume that is acting towards left and
is acting towards right side. We know that force is a vector quantity.
If the magnitude of is than the magnitude of
, then the forces are unbalanced. Thus the box will move at constant speed in the direction of
.
Hence, the correct option is (B).
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Answer:
Explanation:
The angular diameter of a spherical object is given by the following formula:
Where:
is the actual diameter
is the distance to the spherical object
Hence:
This is the angular diameter
Answer:
, the minus meaning west.
Explanation:
We know that linear momentum must be conserved, so it will be the same before () and after (
) the explosion. We will take the east direction as positive.
Before the explosion we have .
After the explosion we have pieces 1 and 2, so .
These equations must be vectorial but since we look at the instants before and after the explosions and the bomb fragments in only 2 pieces the problem can be simplified in one dimension with direction east-west.
Since we know momentum must be conserved we have:
Which means (since we want and
):
So for our values we have: