Home
Class 7
PHYSICS
20 m s^(-1) km h^(-1)...

` 20 m s^(-1) ______ km h^(-1)`

A

12.5

B

72

C

50/9

D

32

Text Solution

Verified by Experts

The correct Answer is:
B
1 km h 5/8 ` ms^(-1)`
` 1 ms ^(-1) = 18//5 km h`
` 20 ms^(-1) = 20 18/5 ` km h = 72 km h
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS

    PEARSON IIT JEE FOUNDATION|Exercise Level 1 macth|3 Videos

  • KINEMATICS

    PEARSON IIT JEE FOUNDATION|Exercise Level 2 MCQ|12 Videos

  • KINEMATICS

    PEARSON IIT JEE FOUNDATION|Exercise Level 1|18 Videos

  • HEAT

    PEARSON IIT JEE FOUNDATION|Exercise Test 2|14 Videos

  • LIGHT

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TEST (TEST 2 (SELECT THE CORRECT ALTERNATIVE))|15 Videos

Similar Questions

Explore conceptually related problems

1 m s^(-2) =_______ km h^(-2)

1 km h^(-1) = ______ ms^(-1)

45 km h^(-1) __________ m s^(-1)

A car changes its speed from 20 km h^(-1) to 50 km h^(-1) of mass 3600 kg in 5 s. Determine the net external force applied on the car.

The velocity of three molecules, are 2 km s^(-1), 4 km s^(-1), 6 km s^(-1) . Find mean square velocity.

The velocity of three molecules, are 2 km s^(-1), 4 km s^(-1), 6 km s^(-1) . Find root mean square velocity.

PEARSON IIT JEE FOUNDATION-KINEMATICS-Level 1 MCQ
  1. Choose the correct statement:

    Text Solution

    |

  2. If T = 2pi sqrt(l/g) is the time period of a simple pendulu, then the ...

    Text Solution

    |

  3. Can the speed of a body be begative ?

    Text Solution

    |

  4. The motion of a body is depicted graphically as shown in the given fig...

    Text Solution

    |

  5. A body travels 10 m in 2s then the speed of the body is m s^(-1) .

    Text Solution

    |

  6. A body moves with a speed of 2 pi m s^(-1) in a cirular path of radius...

    Text Solution

    |

  7. The odometer of a bus reads 6700 klm when it starts from the station a...

    Text Solution

    |

  8. A pendulum completers 120 oscillations hin one minute then the time pe...

    Text Solution

    |

  9. A body moves with a contant speed of 10 m s^(-1) for 1 hour. The dista...

    Text Solution

    |

  10. It takes 1 s for the bob to moves from one extreme position to other e...

    Text Solution

    |

  11. A body projected upwards from the top of a builing is an example of

    Text Solution

    |

  12. Distance versus time graph of an object is as shown in the figure. The...

    Text Solution

    |

  13. 20 m s^(-1) km h^(-1)

    Text Solution

    |

  14. Choose the correct statement:

    Text Solution

    |

  15. A car drive accelerates the car to increase its speed from 30 km h^(-1...

    Text Solution

    |

  16. Find the acceleration due to gravity on the surface of the moon by tak...

    Text Solution

    |

  17. The frequency of oscillation of seconds pendulum is HZ.

    Text Solution

    |

  18. The number of ocscillations performed by the bob at the end of 10 s is

    Text Solution

    |

  19. The time taken to complete 100 oscillations is s.

    Text Solution

    |