1
MHT CET 2020 19th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the angle between resultant of $A+B$ and $\mathbf{A} \times \mathbf{B}$.

A
$\pi \mathrm{rad}$
B
$0^{\circ}$
C
$\frac{\pi}{4} \mathrm{rad}$
D
$\frac{\pi}{2} \mathrm{rad}$
2
MHT CET 2020 16th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

The $$x, y$$ components of vector $$\mathbf{P}$$ have magnitudes 1 and 3 and $$x, y$$ components of resultant of $$\mathbf{P}$$ and $$\mathbf{Q}$$ have magnitudes 5 and 6, respectively. What is the magnitude of $$\mathbf{Q}$$ ?

A
5
B
4
C
3
D
2
3
MHT CET 2020 16th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

The resultant of two vector $$\mathbf{A}$$ and $$\mathbf{B}$$ is $$\mathbf{C}$$. If the magnitude of $$\mathbf{B}$$ is doubled, the new resultant vector becomes perpendicular to A. Then, the magnitude of $$\mathbf{C}$$ is

A
2B
B
B
C
3B
D
4B
4
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two vectors of same magnitude have a resultant equal to either of the two vectors. The angle between two vectors is

A
$$\cos ^{-1}(-0.5)$$
B
$$\cos ^{-1}(-0.4)$$
C
$$\cos ^{-1}(-0.3)$$
D
$$\cos ^{-1}(-0.6)$$
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