A train covers first 10 km with speed 2km/h and next 20 km with speed – InterviewSolution

InterviewSolution

1.	A train covers first 10 km with speed 2km/h and next 20 km with speed 5km/h. Calculate average speed and average velocity of the train.
Answer» N:-A train covers first 10 km with speed 2km/h and next 20 km with speed 5km/h. Calculate average speed and average velocity of the train.EXPLANATION:-So here total distance is=10 km +20 km So total distance =30 kmAnd here time is not given ,so we have to calculate the time USING the formula:-So here we have to calculate 2 times as TWO distance and two speed of the train is given.Let's say Time taken to COVER first distance be=and time taken to cover 2nd distance be=So let's calculate both the times:-Similarly Total time=5+4=9 hoursNow we know the total distance and total time ,let's apply it in FORMULAE So the average speed is 3.333 km/hr

Discussion

No Comment Found

Related InterviewSolutions

1 kgf x 1 m = ___please tell me the answer
Give two 2 xamples each for contact force and force at a distance
How can you differntitae between contact force and force at a distance
Gawain 2 panuto buuin ng flowchart sa ibaba dugtungan ito na mga pangyayari batay sa kwentong "ang sirena at si santiago" upang mabuo ang diwa.plss answer because need the answer plss
What changes can be produced by a force
What is force what changes can be produced by a force
2 State an example for a situation mentioned below ina) changes the speed of an objectb) changes the shape of an orjac) changes the direction of an objectHow can you differentiate between a contact force and- Give two examples each for a contact force and a for5. Detect the errors in the following statement and rewicorrections."Because the car is at rest. so forces are acting on itWhy do tools meant for og always have sharp edg7. Objects change their state of moon due to the nextagree with this statement Discuss with examples. ASWhen you push a heavy object it doesn't move Expiaforce.(AS)2. If you push a bezvy box which is a set you mustmotion. However, once the box is sliding you can appthat motion. Why? (AS.. Find det forces from the following gum (AS)aho
Thxxxxxxxxx friend.
Try to guess what song this is () bet you can't.
9. A body of mass 70 kg, when completely immersed inwater, displaces 20,000 cm? of water. Find : (1) theweight of body in water.