A) When the angle between the Force (F) and Displacement (x) is 0°, because, Work done (W) is directly proportional to the Cosine of the Angle between the Force applied and the resultant displacement of the subject.
W = F•x cos ∅
If ∅ = 0°,
W = F•x ===> Maximum Work Done.
If ∅ = 45°,
W = F•x/√2
If ∅ = 90°,
W = 0
If ∅ = 180°,
W = –F•x ===> Minimum Work Done.
Work is a quantity that measures the effects of a force acting over a distance.
Answer:
Explanation:
A divergent boundary occurs when two tectonic plates move away from each other. Along these boundaries, earthquakes are common and magma (molten rock) rises from the Earth's mantle to the surface, solidifying to create new oceanic crust.
The velocity at time 
is
Take two vectors that point in the positive 
and positive 
directions, such as 
and 
. The dot products of the velocity vector with and are
and
We want the angles between these vectors to be 45º, for which we have 
. So
When 
, the velocity vector is equal to the zero vector, which technically has no direction/doesn't make an angle with any other vector. So the only time this happens is for
Answer:
It depends on the electro-magnetic frequency of the light and object's nature of atoms.
