What is the differnce between the follwing data ? (i) 3 (`5 km h^(-1)` , west ) (ii) 3 hour (`5 km h^(-1)`, west).

Use a positive or a negative number to denote each of the following. (i) 15 km to the east (ii) 30 km to the west

Represent the following graphically a displacement of : (i) 40 km, 30^(@) west of south (ii) 40 km, 30^(@) east of south (iii) 40 km, 30^(@) west of north.

A paper boy cycles 10 km East, then turns South and cycles 3 km, then turns West and cycles 6 km, then turns to his right and cycles 3 km. Where is he now with reference to his starting position? (A) 4 km, West (B) 14 km, East (C) 4 km, East (D) 14 km, West

Represent the following graphically: (i) A displacement of 40km, 30^(@) west of south, (ii) a displacement of 70km, 40^(@) north of west.

Two ships are 10 km apart on a line joining south to north. The one farther north is steaming west at 20 km h^-1 . The other is steaming north at 20 km h^-1 . What their distance of closest approach ? How long do they take to reach itb ? .

Directions: Study the information given below carefully and answer the questions that follow. Point E is 5 km to the South of point A. Point I is 5 km to the East of point E and point O is 5 km to the South of point I. Point U is 2 km to the West of point O while point V is 3 km to the south of point U. Point W is 3 km to the West of point V and point X is 5 km to the north of point W. What is the distance between A and X?

A boat running downstream covers a distance of 10 km in 2 h. While coming back stream the boat takes 5 h to cover the same distance. If the speed of the current is 1.5 km/h. what is speed of the boat in still water? (A) 2.5 km/h (B) 3.5 km/h (C) 5.3 km/h (D) 4.3 km/h

Directions: Study the information given below carefully and answer the questions that follow. Point E is 5 km to the South of point A. Point I is 5 km to the East of point E and point O is 5 km to the South of point I. Point U is 2 km to the West of point O while point V is 3 km to the south of point U. Point W is 3 km to the West of point V and point X is 5 km to the north of point W. What is the direction of point I with respect to point W?