Home
Class 11
PHYSICS
A scooter going towards east at 10 m s^-...

A scooter going towards east at `10 m s^-1` turns right through an angle of `90^@`. If the speed of the scooter remains unchanged in taking tum, the change in the velocity of the scooter is

A

`20.0 ms^-1` south eastern direction

B

Zero

C

`10.0 ms^-1` in southern direction

D

`14.14 ms^-1` in south-west direction

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 train is moving east ward at 10 m s^-1 . A waiter is walking eastward at 1.2 m s^-1 and a fly is charging towards the north across the waiter's tray at 2 m//s . What is the velocity of the fly relative to the earth.

A jet plane is travelling towards west at a speed of 1800 km h^-1 . What is the voltage difference developed between the ends of the wings having a span of 25 m, if the Earth's magnetic field at the location has a magnitude of 5 xx 10^-4T and the dip angle is 30^@

A boy playing on the roof of 10 m high building throws a ball with a speed of 10 m s^-1 at an angle of 30^@ with the horizontal. How far from the throwing point will the ball be at the height of 10 m from the ground? (g=10 m s^-2, sin 30^@ = 1/2, cos 30^@= sqrt3/2)

From the top of a building , an observer is looking at a scooter parked at some distance away , makes an angle of depression of 30^(@) . If the height of the building is 40 m , find how far the scooter is from the building. (sqrt(3) = 1.73)

A thief is running away on a straight road in jeep moving with a speed of 9 m s^-1 . A police man chases him on a motorcycle moving at a speed of 10 ms^-1 . If the instantaneous separation of the jeep from the motorcycle is 100 m, how long will it take for the police to catch the thief?

A plane is in level flight at constant speed and each of its two wings has an area of 20m^(2). If the speed of the air is 180 km/h over the lower wing and 216 km/h over the upper wing surface, determine the plane's mass. (Take air density to be 1 kg m ^(-3) and g= 10m//s ^(2)).

A ray of light travelling through air, falls on the surface of a glass slab at an angle i. It is found that the angle between the reflected and refracted ray is 90^@ .If the speed of light in glass is 72 x 10^8 m/s. Find the angle of incidence.

A car is moving in a horizontal circular track of radius 10 m with a constant speed of 10 m//s . A bob is suspended from the roof of the car by a light rigid rod of length1m.Then the angle made by the rod with the track is

A 100g iron ball having velocity 10m//s collies with a wall at an angle 30^(@) and rebounds with the same angle. If the period of contact between the ball and wall is 0.1 second, then the force experinced by the wall is

TARGET PUBLICATION-Motion in a plane-Exercise
  1. The speed of boat is 5 km/hr in still water. It crosses a river of wid...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  16. A stone thrown at an angle to theta with the horizontal reaches a maxi...

    Text Solution

    |

  17. If the range of a gun which fires a shell with muzzle speed v is R, th...

    Text Solution

    |

  18. A boy playing on the roof of 10 m high building throws a ball with a s...

    Text Solution

    |

  19. A particle covers 50 m distance when projected with an initial speed. ...

    Text Solution

    |

  20. The acceleration due to grivity on the planet A is 9 times the acceler...

    Text Solution

    |