mooncake9090
27.09.2019 •
Physics
Abook of weight 6 n is placed over a block m. if upper surface area of block is 2 cm2
. find the
pressure exerted by book over the block.
(a) 3 × 104
pa (b) 6 × 104
pa
(c) 7 × 104
newton (d) 3 × 104
newton
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Ответ:
I took the quiz, I guessed A but it was wrong and the actual answer is B,
The bullet and the gun have equal momenta in opposite directions, so the system momentum is conserved.