Home
Class 12
PHYSICS
A truck travelling due to north at 20m s...

A truck travelling due to north at `20m s^(-1)` turns west and travels at the same speed. Find the change in its velocity.

A

40m/s north-west

B

`2-sqrt(2)m//s` north-west

C

40m/s south-west

D

`20sqrt(2)` m/s south-west

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • BASIC MATHEMATICS & VECTORS

    VMC MODULES ENGLISH|Exercise Enable|50 Videos
  • BASIC MATHEMATICS & VECTORS

    VMC MODULES ENGLISH|Exercise Efficient|50 Videos
  • CAPACITORS

    VMC MODULES ENGLISH|Exercise JEE Advance ( Archive ) LEVEL 48|1 Videos

Similar Questions

Explore conceptually related problems

A truck travelling due North at 50 km h^(-1) turns West and travels at the same speed. What is the change in velocity ?

A truck travelling due north at 20 m/s turns east and travels at the same speed. What is the change in velocity :

A motor car is going due north at a speed of 50 km/h. It makes a 90^0 left turn without changing the speed. The change in the velocity of the car is about

A car travels with a uniform velocity of 20 m s^(-1) for 5 s. The brakes are then applied and the car is uniformly retarded. It comes to rest in further 8 s. Draw a graph of velocity against time. Use this graph to find : (i) the distance travelled in first 5 s, (ii) the distance travelled after the brakes are applied, (iii) total distance travelled, and (iv) acceleration during the first 5 s and last 8 s.

A car travels due east on a level road for 30 km . It then turns due north at an intersection and travels 40 km before stopping. Find the resultant displacement of the car.

A car travels with a uniform velocity of 25 m s^(-1) for 5 s. The brakes are then applied and the car is uniformly retarded and comes to rest in further 10 s. Find : (i) the distance which the car travels before the brakes are applied, (ii) the retardation,and (iii) the distance travelled by the car after applying the brakes.

A car moving at a constant speed of 36kmph moves north wards for 20 minutes then due to west with the same speed for 8 minutes. What is the average velocity of the car during this run in kmph

A bird files due north at velocity 20 ms^(-1) for 15s it rests for 5s and then files due south at velocity 24 ms^(-1) for 10s. For the whole trip find the average speed and magnitude of average velocity

A boat is travelling with a speed of "27 km h"^(-1) due east. An observer is situated at 30 m south of the line of travel. The angular velocity of the boat relative to be the observer in the position shown will be

A train, travelling at a uniform speed for 360 km, would have taken 48 minutes less to travel the same distance if its speed were 5 km/h more. Find the original speed of the train.

VMC MODULES ENGLISH-BASIC MATHEMATICS & VECTORS-Impeccable
  1. A truck travelling due to north at 20m s^(-1) turns west and travels a...

    Text Solution

    |

  2. Square of the resultant of two forces of equal magnitude is equal to t...

    Text Solution

    |

  3. If |vec(A)xxvec(B)|=sqrt(3)vec(A).vec(B), then the value of |vec(A)+ve...

    Text Solution

    |

  4. The vectors from origin to the points A and B are vec(a)=3hat(i)-6hat(...

    Text Solution

    |

  5. Which of the following is incorrect ?

    Text Solution

    |

  6. The minimum number of vectors to give zero resultant is …………………………………....

    Text Solution

    |

  7. Two vectors vec(A) and vec(B) are such that |vec(A)+vec(B)|=|vec(A)-ve...

    Text Solution

    |

  8. OF the vectors given below, the parallel vectors are : vec(A) = 6hat...

    Text Solution

    |

  9. If |vec(A) xx vec(B)| = sqrt(3) vec(A).vec(B) then the value of |vec(A...

    Text Solution

    |

  10. For any two vectors vec(A) and vec(B), if vec(A).vec(B) = |vec(A) xx v...

    Text Solution

    |

  11. A particle moves from position 3hat(i) + 2hat(j) - 6hat(k) to 14hat(i)...

    Text Solution

    |

  12. The sides of a parallelogram represented by vectors p = 5hat(i) - 4hat...

    Text Solution

    |

  13. If overset(rarr)A=2 hat i + 3 hat j- hat k and overset(rarr)B=-hat i...

    Text Solution

    |

  14. Given two vectors vec(A) = -hat(i) + 2hat(j) - 3hat(k) and vec(B) = 4h...

    Text Solution

    |

  15. Which of the following is a vector quantity ?

    Text Solution

    |

  16. A unit radial vector hatr makes angles of alpha = 30^(@) relative to ...

    Text Solution

    |

  17. What is the value of m if the vectors 2hat(i)-hat(j)+hat(k), hat(i)+...

    Text Solution

    |

  18. Three forces A = (hat(i) + hat(j) + hat(k)), B = (2hat(i) - hat(j) + 3...

    Text Solution

    |

  19. vec(A) is a vector with magnitude A, then the unit vector hat(A) in th...

    Text Solution

    |

  20. Two forces of 12N and 8N act upon a body. The resultant force on the b...

    Text Solution

    |

  21. Given two vectors A = -4hat(i) + 4hat(j) + 2hat(k) and B = 2hat(i) - h...

    Text Solution

    |