Physics, asked by tushartawari64pdehtc, 11 months ago

how fast should a boy of mass 25 kg run to acquire a kinetic energy of 500 Joule and calculate the momentum also

Answers

Answered by kishorevtr

Answer:

12500

Explanation:25*500

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Jessica990: It's Wrong..!

vaibhav2650: yes its wrong check mine answer

Jessica990: Hmm

kishorevtr: i knew it

Jessica990: ☺☺

Answered by vaibhav2650

Given. m=25kg

KE=500J

As. KE=1/2×mv^2

So. 500=1/2×25×v^2

1000/25 = v^2

this implies. v^2=40

so v becomes, v=20

vaibhav2650: plz make it branliest

tushartawari64pdehtc: can you do last two steps in brief

tushartawari64pdehtc: how is the answer came

vaibhav2650: sorry answer is wrong

vaibhav2650: right answer is 6.32455532034

tushartawari64pdehtc: can you resolve the sums in a page and send in photo

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