3 years ago

The atomic number of a element if found by countingthe number of what in an atom?

1 answer:

4 0

The Atomic number is found by counting the number of Protons found in the atom. Make brainliest if I helped best please :)

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Answer:

Displacement in Y direction is 0.434 m

Explanation:

initial velocity of the puck is 2.35 m/s at -22 degree

so here it is given as

$v_i = 2.35 cos22 \hat i - 2.35 sin22 \hat j$

$v_i = 2.18 \hat i - 0.88 \hat j$

final velocity is given as 6.42 m/s at 50 degree

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now displacement in Y direction is given as

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