Question

Reter to Problem 4. Find the following a) the scalar product A, b) the magnitude of A, c) the magnitude of Ề, d) the angle between A and 5. e) the scalar productでD ICI g) 31 h) the angle between andT 6. Given the vectors: a-介-31 + k, b -- 1 + j Find the following a) A vector such that a bo, b) A vector a such that 2 a 3. d o, c) the magnitude of , e) a b f) b.a g)-( a +司 8. A car is driven east for a distance of 50 km, then north for 30 km, and then in a direction 30 east of north for 25 km. Draw the vector diagram and determine the total displacement of the car from the starting point. 9. What is the resultant force produced by a vertical upward force of 50 Newtons, a horizontal right facing force of 70 Newtons, a downward directed force at an angle of 45o to left of 80 Newtons, and an upward directed force at an angle of 30° degree above the horizontal to the right of 60 Newtons 10. Refer to Problem 6 a) Find a Xb, b) Find bXa. c) Find cXa d) Find 3(d Xb)

Answer 1

333-(12) » (C) ei ab x (-1)|ї.it1-3x1