MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Subtraction of a Vector

The magnitude...

Question

The magnitudes of vectors $\to A, \to B a n d \to C$ are 3, 4 and 5 units respectively. If $\to A + \to B = \to C$ , the angle between $\to A$ and $\to B$ is

A

$\frac{π}{2}$

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

$c o s^{- 1} (0.6)$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

$t a n^{- 1} (\frac{7}{5})$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

$\frac{π}{4}$

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
$\frac{π}{2}$

$C = \sqrt{A^{2} + B^{2}} = \sqrt{3^{2} + 4^{2}} = 5$
$∴$ Angle between $\to A$ and $\to B$ is $\frac{π}{2}$

Suggest Corrections

thumbs-up

77

Similar questions

\to a, \to b, \to c

are unit vectors and the angles between

\to a, \to b

\to b, \to c

\to c, \to a

\frac{π}{6}, \frac{π}{3}

\frac{π}{4}

respectively, then

| \to a + \to b + \to c |

Q. The magnitude of vectors

\to A

\to B

\to C

3

4

5

units respectively. if

\to A + \to B = \to C

, find the angle between

\to A

\to B

\to a, \to b, \to c

are unit vectors such that

\to a + \to b + \to c = \to 0

(\to a, \to b) = \frac{π}{3}

∣ ∣ \to a \times \to b ∣ ∣ + ∣ ∣ \to b \times \to c ∣ ∣ + | \to c \times \to a | =

\to a, \to b, \to c

are unit vectors such that

\to a

is perpendicular to the

\to b

\to c

and angle between

\to b

\to c

\frac{π}{3}

, then value of

| \to a +

\to b +

\to c |

The magnitudes of vectors $\to A, \to B a n d \to C$ are 3, 4 and 5 units respectively. If $\to A + \to B = \to C$ , the angle between $\to A$ and $\to B$ is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Basic Operations

PHYSICS

Watch in App

explore_more_icon

Explore more

Subtraction of a Vector

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon