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A relativistic particle travels a length of 3 × 10-3 m in air before decaying. The decay process of the particle is dominated by

A relativistic particle travels a length of 3 × 10-3 m in air before decaying. The decay process of the particle is dominated by Correct Answer weak interactions

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A man starts from point ‘O’, travels 20 km towards east to reach point ‘A’, turns right and travels 10 km to reach point ‘B', turns right and travels 9 km to reach point ‘C’, turns right and travels 5 km to reach point ‘D’, turns left and travels 12 km to reach point ‘E’ and then turns right and travels 6 km to reach point ‘F. What is the shortest distance between point ‘E’ and point ‘C’?
A man starts from point 'O', travels 20 km towards east to reach point 'A', turns right and travels 10 km to reach point 'B', turns right and travels 9 km to reach point 'C', turns right and travels 5 km to reach point 'D', turns left and travels 12 km to reach point 'E' and then turns right and travels 6 km to reach point 'F'. What is the shortest distance between point 'E' and point 'C'?
If Rati travels at his usual speed for ‘x’ hours, he covers the same distance as he covered when he travels at a speed 30 km/hr less than usual, but for (x + 3) hours. Which of the following can be determined? (A) If he travels at 20 km/hr less speed than usual, he can cover a distance of 240 km in (x - 1) hours. What is the value of ‘x’? (B) If travels at his usual speed for (t + 2) hours, and at 50% of his usual speed for (t - 2) hours, his average speed for the journey is 68 km/hr. What is his usual speed? (C) His usual speed (in km/hr) is a multiple of 5 between 40 and 50 (both inclusive). If ‘x’ is a whole number, what is his usual speed? (D) If he travels at his usual speed for ‘t’ hours, he covers a distance of 400 km. What is the value of ‘x’?
Two cars C and D start from the same point. C travels 7 km South, then turns to its left and travels 4 km. D travels 13 km East, then turns South and travels 7 km, then turns to its left and travels 9 km. Where is D with respect to C now?
Two taxis T and U start from the same stand. Taxi T travels 1 km South, then turns to its right and travels a further 3.5 km. Meanwhile taxi U travels 2.5 km East, then turns North and travels 4 km, then it turns to its left and travels 6 km. Where is taxi U with respect to taxi T?
Two cars C and D start from the same point. C travels 9 km South, then turns to its left and travels another 11 km. D travels 3 km East, then turns South and travels 5 km, then turns to its left and travels another 8 km. Where is D with respect to C now?
Two battle tanks start from the same point. Tank A travels 12 km South, then turns to its left and travels 7 km. Tank B travels 7 km South, then turns West and travels 9 km, then turns to its left and travels 5 km. Where is tank A with respect to tank B?
Two autos start from the same stand. Auto A travels 2 km east, then turns to its right and travels further 3 km. Meanwhile auto B travels 5 km north, and then turns West and travels 3 km, then it turns to its left and travels 8 km. Where is auto B with respect to auto A?
Two taxis start from the same stand. Taxi A travels 10 km North, then turns to its right and travels a further 7 km. Meanwhile Taxi B travels 6 km West, then Turns South and travels 5 km, then it turns to its left and travels 13 km. Where is Taxi B with respect to Taxi A?
Sangeeta starts from her house and travels 10 km towards south and then travels 4 km rightwards. She then travels 7 km leftwards, again travels 7 km leftwards and finally travels 17 km to the left. How far is she from her original place?