Home
Class 11
PHYSICS
A man sitting in a train which is in mot...

A man sitting in a train which is in motion is facing the engine. He tosses a coin up. the coin falls behind him. The train is :

A

moving forward with acceleration

B

moving forward with uniform speed

C

moving backward wth uniform speed

D

moving backward with acceleration

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

In an examination, 20 questions of true-false type are asked. Suppose a student tosses a fair coin to determine his answer to each question. If the coin falls heads, he answers 'true', if it falls tails, he answers 'false'. Find the probability that he answers at least 12 questions correctly.

In an exam, 10 questions of true-false type are asked. A student tosses a fair coin to determine his answer to each question. If the coin falls heads, he answers true and if it falls tails, he answers false. Show that the probability that he answers at most 7 questions correctly is 121/128 .

A person is standing on a railway station which is 120 m long . He observes that the trains crosses the station in 30 sec. but himself in 6 seconds. Find the length of the train.

Consider the experiment of throwing a die, if a multiple of 3 comes up, throw the die again and if any other number comes, toss a coin. Find the conditional probability of the event ‘the coin shows a tail’, given that ‘at least one die shows a 3’.

There are three coins. One of the two headed coin another is a biased coin that comes up heads 75% of the times and the third is also a biased coin tht comes up tails 40% of the times. One of the three coins is chosen at random and tossed, and it shows head. what is the probability that it is a two headed coin?

A person is permitted to select at least one and at most n coins from a collection of (2n+1) distinct coins. If the total number of ways in which he can select coins is 255, then find the value of n.

In how much time will a train 250 m long, running at 50 km/hr pass a man, running at 5 km/hr in the same direction in which the train is going?

MBD-LAWS OF MOTION-EXAMPLE
  1. When a body is stationary

    Text Solution

    |

  2. A shell in flight explodes into four unequal parts. Which of the follo...

    Text Solution

    |

  3. A man sitting in a train which is in motion is facing the engine. He t...

    Text Solution

    |

  4. A stretching force of 1 N is applied at one end of a spring balance an...

    Text Solution

    |

  5. A bird weights 2 kg and is inside a cage of 1 kg. If it starts flying ...

    Text Solution

    |

  6. A man weighs 80 kg. He stands on a weighing scale in the lift, which i...

    Text Solution

    |

  7. Three forces start acting simultaneously on a particle moving with vel...

    Text Solution

    |

  8. Air is thrown on the sail of a stationary boat by an electric fan kept...

    Text Solution

    |

  9. Brakes of very small contact area are not used although friction is in...

    Text Solution

    |

  10. Why are tyres made circular?

    Text Solution

    |

  11. Proper inflation of tyres saves fuel. this is because:

    Text Solution

    |

  12. Aeroplanes jets etc. are stremlined to reduce

    Text Solution

    |

  13. A horse pulls a cart harder during the first few steps because.

    Text Solution

    |

  14. A box is placed on an inlcined plane and has to be pushed down. The an...

    Text Solution

    |

  15. A stretching force of 1 N is applied at one end of a spring balance an...

    Text Solution

    |

  16. Fill in the blanks: Newton's law is te real law of motion.

    Text Solution

    |

  17. Fill in the blanks: Spark coming out of a grinding stone is the exam...

    Text Solution

    |

  18. Fill in the blanks: An force is required to keep a body in uniform ...

    Text Solution

    |

  19. Fill in the blanks: 1 kg f = N.

    Text Solution

    |

  20. Fill in the blanks: Mathamaticlly, Newton's third law of motion is g...

    Text Solution

    |