1) When two vectors Vector A and Vector B are added, the resultant's magnitude is: a) always equal to the sum of the mag

[answerhappygod]

1) When two vectors Vector A and Vector B are added, the
resultant's magnitude is:
a) always equal to the sum of the magnitude of the
vectors.
b) always equal to the difference of the magnitudes of the
vectors.
c) less than or equal to the sum of the magnitudes of the
vectors.
2) When a scalar a is multiplied with vectors
Vector A, the following is true:
a) the operation is not allowed so the result is undefined.
b) the result is a scalar with a magnitude a |Vector A|
c) the result is a vector with a magnitude a |Vector A|
d) the result is a vector with a magnitude √a^2+A^2
3) Using the Cartesian Coordinates, the x component of a vector
Vector A which makes the angle of θ with respect to the x-axis
is equal to:
a) |Vector A|
b) |Vector A| cos (θ)
c) |Vector A| sin (θ)
d) |Vector A| tan (θ)
4) Using the Cartesian Coordinates, the y component of
a vector Vector A which makes the angle of θ with respect to
the x-axis is equal to:
a) |Vector A|
b) |Vector A| cos (θ)
c) |Vector A| sin (θ)
d) |Vector A| tan (θ)
5) Consider the dot product Vector A * Vector B where the angle
between the vectors is θ, what is this product equal to:
a) |Vector A| |Vector B|
b) |Vector A| |Vector B| cos (θ)
c) |Vector A| |Vector B| sin (θ)
d) |Vector A| |Vector B| tan (θ)
5) Consider the cross product Vector A * Vector B where the
angle between the vectors is θ, what is the magnitude of
the product equal to:
a) |Vector A| |Vector B|
b) |Vector A| |Vector B| cos (θ)
c) |Vector A| |Vector B| sin (θ)
d) |Vector A| |Vector B| tan (θ)