Physics, asked by harshitasree270, 5 months ago

the 4th question along with the sum. pls I will mark u as brainliest ​

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Answered by kinsjackson
1

Answer:

Distance travelled in 5 seconds,

                                             s=ut+1/2at²

                                             s=1/2gt²

                                               =1/2×9.8*(5)²

                                               =122.5 m

Distance travelled in 5th second,

                     Sn=u+a/2(2n-1)

                     Sn=g/2(2n-1)

                     S5=9.8/2(2×5-1)

                          =4.9(10-1)

                          =4.9×9

                   ∴S5=44.1 m

  ∴Ratio=122.5/44.1=2.77

                         

Answered by Anonymous
1

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