Physics, asked by EKwrites, 8 months ago

pls answer the both.
asap.
thanks.

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Answers

Answered by shammahtony03

1

Answer:

(i)p=f/a

a=f/p

a=400N/20Ncm

20cm2

(ii) f=p×a

f=70cm2×7

f=490N

Explanation:

its simple apply the basic pressure formula,then you subtitute to get the required term then you calculate as required

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