Home
Class 11
PHYSICS
A particle starts from the origin with v...

A particle starts from the origin with velocity `vec u= (2hat i - 4 hat j) m/s` with constant acceleration `(3 hat I + 5 hat j) m/s^2`. After travelling for 2 seconds, its distance from the origin is

A

10 m

B

10.2 m

C

9.8 m

D

11.7 m

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MEASUREMENTS

    TARGET PUBLICATION|Exercise EVALUATION TEST|17 Videos
  • OPTICS

    TARGET PUBLICATION|Exercise EXERCISE|447 Videos

Similar Questions

Explore conceptually related problems

A particle has initial velocity 4 hat i + 3 hat j and an accelaration 3 hat I + 4 hat j . The rate of change of its speed is

A particle has an initial velocity of 3hat i+4 hatj and an acceleration of 0.4hat i +0.3 hat j . Its speed after 10 s is

Two particles of equal mass have velocities vec v_1 = 2 hat i= m//s^-1 and vec v_2 = 2hat j m//s^-1 . First particle has an acceleration vec a_1= (3 hat i+ 3 hat j) ms^-2 while the acceleration of the other particle is zero. The centre of mass of the two particles moves in a path of.

What is the value of linear velocity if omega=3hat i -4 hat j + hat k and r= 5 hat I - 6 hat j + 6 hat k'?

vec A = 2 hat i + 3 hat j + 4 hat k and vec B = hat i - 2 hat j + 3 hat k find vec A . vec B

Show that vectors vec a = 2 hat i + 5 hat j + 6 hat k and vec b = hat i + frac(5)(2) hat j + 3 hat k are parallel

bar A = 2 hat i + 3 hat j and bar b = 3 hat i + 5 hat j Then bar a xx bar b is

What is the area of the triangle formed by sides vec(A) = 2hat(i) - 3hat(j) + 4hat(k) and vec(B) = hat(i) - 2hat(k) ?

A boat is moving with velocity of 3 hat i+ 4hat j in river and water is moving with a velocity of 3 hat i- 4hat j ith respect to ground. Relative velocity of boat with respect to water is

A force vec F = prop hat i + 3 hat j + 6 hat k is acting at a point vec r = 2 hat i - 6 hat j - 12 hat k . The value of prop for which angular momentum about origin is conserved is.

TARGET PUBLICATION-Motion in a plane-Exercise
  1. If vx, and vy, are the magnitudes of component of instantaneous veloci...

    Text Solution

    |

  2. Position of a particle at any instant t is given by vec r=3t hat i + 2...

    Text Solution

    |

  3. A particle starts from the origin with velocity vec u= (2hat i - 4 ha...

    Text Solution

    |

  4. A boat is moving with velocity of 3 hat i+ 4hat j in river and water i...

    Text Solution

    |

  5. A train is moving towards cast and a car is moving along north, both w...

    Text Solution

    |

  6. The speed of boat is 5 km/hr in still water. It crosses a river of wid...

    Text Solution

    |

  7. A particle is moving with velocity 5 m/s towards east and its velocity...

    Text Solution

    |

  8. A scooter going towards east at 10 m s^-1 turns right through an angle...

    Text Solution

    |

  9. A river is flowing from west to eat at a speed of 4 m/min. In what dir...

    Text Solution

    |

  10. A river is flowing from W to E with a speed of 5 m/min. A man can swim...

    Text Solution

    |

  11. In a projectile motion, the velocity vector of the projectile is

    Text Solution

    |

  12. Two bullets are fired simultaneously horizontally and with different s...

    Text Solution

    |

  13. At the highest point of the path of a projectile,

    Text Solution

    |

  14. The velocity at the highest point of a projectile proiected 60^@ or w...

    Text Solution

    |

  15. A bomber plane moves horizontally with a speed of 500 m/s and a bomb r...

    Text Solution

    |

  16. The equation of motion of a projectile are given by x= 36 t metre and...

    Text Solution

    |

  17. A body thrown with an initial speed of 96 ft/s reaches the ground aft...

    Text Solution

    |

  18. A bomb is fired from a cannon with a velocity of 1000 m/s making an an...

    Text Solution

    |

  19. A projectile can have the same range R for two angles of projection. I...

    Text Solution

    |

  20. Neglecting the air resistance, the time of flight of a projectile is d...

    Text Solution

    |