269826 A train is moving due east and a car is moving due north with equal speeds. A passenger in the train finds that the car is moving towards

269827 A bus moves over a straight level road with a constant acceleration a. A boy in the bus drops a ball out side. The acceleration of the ball w.r.t the bus and the earth are respectively

269828 A particle$P$ moves with speed ' $v$ ' along $AB$ and BC, sides of a square ABCD. Another particle $Q$ also starts at $A$ and moves with the same speed but along $AD$ and $DC$ of the same square ABCD. Then their respective changes in velocities are

269829 A river is flowing from west to east at a speed of$5\mathrm{m}/\mathrm{s}$. A man on the south bank of the river capable of swimming at $10\mathrm{m}/\mathrm{s}$ in a still water wants to swim, across the river in a shortest time. He should swim in a direction

269826 A train is moving due east and a car is moving due north with equal speeds. A passenger in the train finds that the car is moving towards

269827 A bus moves over a straight level road with a constant acceleration a. A boy in the bus drops a ball out side. The acceleration of the ball w.r.t the bus and the earth are respectively

269828 A particle$P$ moves with speed ' $v$ ' along $AB$ and BC, sides of a square ABCD. Another particle $Q$ also starts at $A$ and moves with the same speed but along $AD$ and $DC$ of the same square ABCD. Then their respective changes in velocities are

269829 A river is flowing from west to east at a speed of$5\mathrm{m}/\mathrm{s}$. A man on the south bank of the river capable of swimming at $10\mathrm{m}/\mathrm{s}$ in a still water wants to swim, across the river in a shortest time. He should swim in a direction

269826 A train is moving due east and a car is moving due north with equal speeds. A passenger in the train finds that the car is moving towards

269827 A bus moves over a straight level road with a constant acceleration a. A boy in the bus drops a ball out side. The acceleration of the ball w.r.t the bus and the earth are respectively

269828 A particle$P$ moves with speed ' $v$ ' along $AB$ and BC, sides of a square ABCD. Another particle $Q$ also starts at $A$ and moves with the same speed but along $AD$ and $DC$ of the same square ABCD. Then their respective changes in velocities are

269829 A river is flowing from west to east at a speed of$5\mathrm{m}/\mathrm{s}$. A man on the south bank of the river capable of swimming at $10\mathrm{m}/\mathrm{s}$ in a still water wants to swim, across the river in a shortest time. He should swim in a direction

269826 A train is moving due east and a car is moving due north with equal speeds. A passenger in the train finds that the car is moving towards

269827 A bus moves over a straight level road with a constant acceleration a. A boy in the bus drops a ball out side. The acceleration of the ball w.r.t the bus and the earth are respectively

269828 A particle$P$ moves with speed ' $v$ ' along $AB$ and BC, sides of a square ABCD. Another particle $Q$ also starts at $A$ and moves with the same speed but along $AD$ and $DC$ of the same square ABCD. Then their respective changes in velocities are

269829 A river is flowing from west to east at a speed of$5\mathrm{m}/\mathrm{s}$. A man on the south bank of the river capable of swimming at $10\mathrm{m}/\mathrm{s}$ in a still water wants to swim, across the river in a shortest time. He should swim in a direction