Math, asked by pshank, 1 year ago

he start the run exactly at 2:30pm and the tract is 500 m in circumference. he run twice on a circular track at a uniform speed. speed 12km/hr. when does he finish the 2nd lap..

Answers

Answered by Anonymous
1
Speed= 12 km/hr or 3.33 m/s

Distance= 500 m

Time = D/S = 500/3.33 = 150.15 seconds or 150 s or 2.5 minutes

By the time second lap will end 5 minutes would have been passed.

Therefore Time= 2:35 pm

Hope it helps ^_^
Answered by Anonymous
2

Step-by-step explanation:

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∴a20−a15=[a+19d]−[a+14d]

                     =5d

                     =5×3

                     =15

Hence, the answer is 15.

⬤•━━━━━━━━━━Given: d=3

We know:

an=a+(n−1)d

∴a20−a15=[a+19d]−[a+14d]

                     =5d

                     =5×3

                     =15

Hence, the answer is 15.

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┬∕   ∕    /▔▔▔\     ∕

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┬┴┬┴┬┴\    \_    ﹨  \_

┴┬┴┬┴┬┴ \___\    ﹨____\Given: d=3

We know:

an=a+(n−1)d

∴a20−a15=[a+19d]−[a+14d]

                     =5d

                     =5×3

                     =15

Hence, the answer is 15.

⬤•━━━━━━━━━━Given: d=3

We know:

an=a+(n−1)d

∴a20−a15=[a+19d]−[a+14d]

                     =5d

                     =5×3

                     =15

  • Hence, the answer is 15.

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