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ad-work [718]
3 years ago
15

What contributions did J.J. Thomson make to atomic history?

Physics
1 answer:
luda_lava [24]3 years ago
4 0
J.J. Thomson discovered electrons and noticed that an atom can be divided. Also, he concluded atoms are made of positive cores and negatively charged particles within it.
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6. A 4 kg object hangs below a 6 kg object by a string of negligible mass. If the 6 kg object is pulled upward by a force of 440
MrRissso [65]

Answer:

T =176 N

Explanation:

from diagram

F -(m_1+m_2_g) = (m_1+m_2_g)a

440 - (6+4)g = (6+4)a

a =\frac{440-10*9.8}{10}

a =34.2 m/s^2

frrom free body diagram of mass m2 = 4kg

T -m_2g =m_2a

T = m_2(g +a)

T = 4(9.81+34.2)

T =176 N

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4 years ago
Which diagram best shows the perceived sound wave heard by a woman after a police car has passed her?
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Answer:

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3 years ago
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sladkih [1.3K]

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3 years ago
Please help with this one
olasank [31]

Answer:

OPTION A is the correct answer

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3 years ago
Which term is defined as a change in an object's position relative to a reference point?
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