Home
Class 11
PHYSICS
If vecu = 2hati - 2hatj + 3hatk and the...

If `vecu = 2hati - 2hatj + 3hatk` and the final velocity is `vecv = 2hati - 4hatj + 5hatk` and it is covered in a time of 10 sec, find the acceleration vector.

A

`(3vec(i) - 2vec(j) + 2vec(k))/(10)`

B

`(-3vec(i) - vec(j) + 2vec(k))/(10)`

C

`(-3vec(i) - 2vec(j) - 2vec(k))/(10)`

D

`(-vec(j) + vec(k))/(5)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

The velocity (in m/s) of an object changes from vecv_(1) = 10 hati + 4hatj + 2hatk " to " vecv_(2) = 4hati + 2hatj + 3hatk in 5 second. Find the magnitude of average acceleration.

The velocity (in m/s) of an object changes from vecv_(1) = 10 hati + 4hatj + 2hatk to vecv_(2) = 4hati + 2hatj + 3hatk in 5 second. Find the magnitude of average acceleration.

Statement1: A component of vector vecb = 4hati + 2hatj + 3hatk in the direction perpendicular to the direction of vector veca = hati + hatj +hatk is hati - hatj Statement 2: A component of vector in the direction of veca = hati + hatj + hatk is 2hati + 2hatj + 2hatk

If vecomega=2hati-3hatj+4hatk and vecr=2hati-3hatj+2hatk then the linear velocity is

Let vecu= hati + hatj , vecv = hati -hatja and hati -hatj and vecw =hati + 2hatj + 3 hatk If hatn isa unit vector such that vecu .hatn=0 and vecn .hatn =0 , " then " |vecw.hatn| is equal to

Find the scalar product of vectors veca=2hati-hatj+2hatk and vecb=hati-3hatj-5hatk

A vector coplanar with vectors hati + hatj and hat j + hatk and parallel to the vector 2hati -2 hatj - 4 hatk , is

Given that vecu = hati + 2hatj + 3hatk , vecv = 2hati + hatk + 4hatk , vecw = hati + 3hatj + 3hatk and (vecu.vecR - 15) hati + (vecc. vecR - 30) hatj + (vecw . vec- 20) veck = vec0 . Then find the greatest integer less than or equal to |vecR| .

Let vecu= hati + hatj , vecv = hati -hatj and vecw =hati + 2hatj + 3 hatk If hatn isa unit vector such that vecu .hatn=0 and vecv .hatn =0 , " then " |vecw.hatn| is equal to

The vector component of vector vecA =3hati +4hatj +5hatk along vector vecB =hati +hatj +hatk is :