Encuentre en km.h la velocidad de un tigre que corre 550 km.h en 69min
1 answer:
Answer:
v = 478.26 km/h
Explanation:
The question is "find in km.h the speed of a tiger that runs 550 km in 69min"
Distance, d = 550 km
Time, t = 69 min = 1.15 h
We need to find the speed of the tiger. The speed of an object is equal to the total distance covered divided by time taken. So,
So, the speed of the tiger is 478.26 km/h.
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<u>Answer:</u>
<em>The initial distance between the trains is 1450 m. </em>
<u>Explanation:</u>
In the question two trains are of equal length 400 m and moves at a uniform speed of 72 km/h. train A is moving ahead of train B. If the train B has to overtake train A it should accelerate.
Train B’s acceleration is and it accelerated for 50 seconds.
<em></em>
<em>t=50 s </em>
<em>initial speed u=72km/h </em>
<em>we have to convert this speed into m/s </em>
<em></em>
<em>Distance covered in accelerating phase </em>
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<em>
</em>
If a train is just behind another, the distance covered by the train located behind during overtaking phase will be equal to the sum of the lengths of the trains.
<em>Here length of train A+length of train </em>
<em>Hence the initial distance between the trains = </em>