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Due to the technical snag in the signal system two trains start approaching each other on the same track from two different stations, 240 km away each other. When the train starts a bird also starts moving to and fro between the two trains at 60 kmph touching each train each time. The bird initially sitting on the top of the engine of one of the trains and it moves so till these trains collide. If these trains collide one and half hour after start, then how many kilometers bird travels till the time of collision of trains?
A and B are two stations on a Ethernet. Each has a steady queue of frames to send. Both A and B attempts to retransmit after a frame collide and A wins the first back off race. At the end of this successful transmission by A, both A and B attempt to transmit and collide. The probability that A wins the second back off race is
Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation
When two same masses travelling in opposite directions with different velocities collide perfectly elastically, their velocities ______
Two bodies are accelerating towards each other. After sometime they collide. Which one of the following statements is true about the system?
Two motorboats, traveling at 5 and 10 km/h head directly towards each other. They begin at a distance of 20 km from each other. How far apart are they (in km) one minute before they collide?
Two boats, travelling at 5 km/h and 10 km/h, head directly towards each other. They begin at a distance of 20 km from each other. How far apart are they (in km) one minute before they collide?
A body of mass 2 kg is moving with a velocity v collides inelastically with another body of mass 4 kg at rest. What will be their combined velocity?
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives. Of the three activities of thought, word and deed, perhaps thought is the most ______ and powerful force, for it is the ______ of the other two. Success is achieved twice, once in the mind and the second time in the real world. No matter in whose mind thought occurs; its laser-like energy seeks a target. Thats why we give somuch importance to ______, seeking divine blessings before ______ on any project as we know that positive thinking is a strong force that can be ______ for the welfare and success of all. it is the ______ of the other two.
When two elastic bodies collide with each other,