HARD
11th ICSE
IMPORTANT
Earn 100

A river flows at 3 m/sec and 300 m wide A man swims across the river with velocity 2 m/sec directed always perpendicular to flow of current. In what direction does he actually move relative to the shore.

Important Questions on Vectors

HARD
11th ICSE
IMPORTANT
A 300 m wide river flows with a speed of 3 m/s. A man swims across the river with a velocity of 2 m/sec directed always perpendicular to the flow of current. How far down the stream (from the starting point) does he reach the opposite bank?
HARD
11th ICSE
IMPORTANT
A river flows due north with a velocity of 3 km/h. A man rows a boat across river with a velocity of 4 km/h relative to water due east. What is his velocity relative to the earth?
HARD
11th ICSE
IMPORTANT
A river flows due north with velocity of 3 km/h. A man rows a boat across the river with a velocity of 4 km/h relative to water due east. If river is 1 km wide, how far north of his starting point will he reach the opposite bank.
HARD
11th ICSE
IMPORTANT
A river flows due north with a velocity of 3 km/h . A man rows a boat across the river with velocity of 4 km/h relative to water due east. How long a time is required to cross the river.
EASY
11th ICSE
IMPORTANT
Which pair of the following forces cannot give a resultant force of 4 N?
EASY
11th ICSE
IMPORTANT
Which of the following cannot be the resultant of 5 N and 10 N?
HARD
11th ICSE
IMPORTANT
A person moves 30 m north, then 20 m east, then 302 south-west. His displacement from the original position is:
MEDIUM
11th ICSE
IMPORTANT
Four equal forces acting at a point are in equilibrium. The angle between adjacent forces is: