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Mathematics 19 Online
OpenStudy (anonymous):

Ellen works for a high-speed rail company that wants to develop a new rail line. Ellen’s project is to find a train that is the second fastest in the world. The Shinkansen Bullet Train in Japan is reported to go as fast as 320 kilometers per hour. The TGV train in France can reach speeds of 89.44 meters per second. Explain to Ellen how to find what speed her new train must go to be the second fastest in this group. Then, find an appropriate speed for Ellen’s train in miles per hour and use the formula distance = speed • time to find how far the train can go in 2.5 hours. Use complete sentences

OpenStudy (anonymous):

convert 89.44 meters per second to km/h

OpenStudy (anonymous):

help @Trojan

OpenStudy (anonymous):

First you have to convert all the speed in the same unit.. its entirely up to you to decide.. let us convert speed of SBT train in Japan to m/sec

OpenStudy (anonymous):

now to convert it we multiply it's speed by 1000/3600 320∗1000 1∗3600 m/sec.. as 1 km =1000m and 1 hr = 3600 sec

OpenStudy (anonymous):

@lesliemolina Do you understand?

OpenStudy (anonymous):

yup

OpenStudy (anonymous):

lol i learned this in 1st grade

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