Question

Q2-A group of students went for a picnic to a nearby river bank. They spent the day enjoying the scenery there and after lunch, they went for boating Whole group hired a boat for half an hour expects one boy who was not feeling well. They were enjoying the boating and reached the other side of the river. Suddenly, monaj from the group saw that his friend who was on the opposite side of river become unconscious and fell on the ground. They had to reach to his friend as fast as they can. Manoj remembered that if they took their boat along the direction perpendicular to direction of river flow then they will cross the river in shortest time. This is what he followed and saved his friends. (1)What values of Manoj helped him to save his friend? (ii)Prove mathematically, the logic used by manoj considering vector viis velocity of boat and vector v₂ is velocity of river. (iii)When are equations of relative velocities valid? (iv)What is Relative Velocity?​

Answer 1

Answer:

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