The position of an object changes from ` vecr = ( 2hati + hatj) " m to " vecr_(1) = ( 4hati + 3hati)` m in 2s. Find its average velocity.

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.

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 angle between the planes vecr. (2 hati - 3 hatj + hatk) =1 and vecr. (hati - hatj) =4 is

The angle between the planes vecr. (2 hati - 3 hatj + hatk) =1 and vecr. (hati - hatj) =4 is

The line of intersection of the planes vecr . (3 hati - hatj + hatk) =1 and vecr. (hati+ 4 hatj -2 hatk)=2 is:

Velocity of a particle changes from (3hati +4hatj)m//s to (6hati +5hatj)m//s 2s. Find magnitude and direction of average acceleration.

Velocity of a particle changes from (3hati +4hatj)m//s to (6hati +5hatj)m//s 2s. Find magnitude and direction of average acceleration.

If angular velocity of a point object is vecomega=(hati+hat2j-hatk) rad/s and its position vector vecr=(hati+hatj-5hatk) m then linear velocity of the object will be