Question
A boy sitting in a train moving with a uniform velocity
drops a coin outside. A man standing outside the train will find the trajectory of the coin to be -Solution
Parabola, because when the coin is dropped at a particular point, it has the same velocity as the running train. So, by Newton's first law, it continues its motion horizontally with that velocity.
More General science Common Questions
What will come in place of the question mark (?) in the following series?
4.5, 8, 15, 29, ?, 113
- What will come in place of (?) in the given number series.
1, 2, 6, 21, 88, ? 92, 88, 79, ?, 38, 2
18, 34, 70, 134, ?, 378
168, 178, ?, 273, 400, 618, 963
? , 864, 432, 144, 36, 7.2
452, 369, ?, 217, 146, 79
110, 156, 212, ?, 354, 440
138, 140, 152, 174, ?, 248
60, 100, 160, 240, ?, 460
