Two balloons are moving in air with velocities `v_(1)={2thati+(t-2)hatj)m//s` and `v_(2)={(t-4)hati+thatj}m//s` then at what `t` balloons are moving parallel to each other:

Two particles are moving with velocities v_(1)=hati-thatj+hatk and v_(2)=thati+thatj+2hatk m//s respectively. Time at which they are moving perpendicular to each other is.____________(second)

Two particles are moving with velocities v_(1)=hati+thatj+hatk and v_(2)=thati+thatj+2hatk m//s respectively. Time at which they are moving perpendicular to each other is.____________(second)

Two particle are moving with velocity vec(v)_(1)=hati-2t hatj+hatkm//s and vec(v)_(2)=4thati+t hatj+3hatk m//s respectively. Time at which they are moving perpendicular to each other is ____________ (sec). (Round off to nearest integer).

Velocity of there particless A.B and C varies with time t as , v_(A) =(2thati+6hatj) m//s v_(B) =(3hati +4hatj )m//s and v_(c)=(6hati - 4thatj ) regarding the pseudo force match the following table.

Velocity of there particless A.B and C varies with time t as , v_(A) =(2thati+6hatj) m//s v_(B) =(3hati +4hatj )m//s and v_(c)=(6hati - 4thatj ) regarding the pseudo force match the following table.

Velocity of there particless A.B and C varies with time t as , v_(A) =(2thati+6hatj) m//s v_(B) =(3hati +4hatj )m//s and v_(c)=(6hati - 4thatj ) regarding the pseudo force match the following table.

Velocity of there particless A.B and C varies with time t as , v_(A) =(2thati+6hatj) m//s v_(B) =(3hati +4hatj )m//s and v_(c)=(6hati - 4thatj ) regarding the pseudo force match the following table.

Two particles A and B are moving with constant velocities V_(1)=hatj and v_(2)=2hati respectively in XY plane. At time t=0, the particle A is at co-ordinates (0,0) and B is at (-4,0). The angular velocities of B with respect to A at t=2s is (all physical quantities are in SI units)

Two particles A and B are moving with constant velocities V_(1)=hatj and v_(2)=2hati respectively in XY plane. At time t=0, the particle A is at co-ordinates (0,0) and B is at (-4,0). The angular velocities of B with respect to A at t=2s is (all physical quantities are in SI units)

Velocity and acceleration of a particle at time t=0 are u=(2 hati+3 hatj) m//s and a=(4 hati+3 hatj) m//s^2 respectively. Find the velocity and displacement if particle at t=2s.