2 years ago

Match each situation

1 answer:

3 0

A: is potential
C: is losing kinetic energy and gaining potential energy
B: kinetic energy is at its highest
D: is loosing potential energy and gaining kinetic energy

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Answer:

Explanation:

Using conservation of momentum

$m_1=59+220=279kg$

$m_2=2.1kg$

$U_1=12m/s$

$U_2=-44m/s$

$m_1U_1+m_2U_2=(m_1+m_2)V\\\\\frac{278\times 12-2.1\times 44}{279+2.1}=V\\\\V=11.58m/s$

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vazorg [7]

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3 years ago

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364days

Explanation:

Pls see attached file

Explanation:

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3 years ago

If the nucleus of an atom contains 12 protons how many electrons are there in a neutral atom why

kicyunya [14]

For a neutral atom number of electrons equals number of protons, in other for the net charge of the atom to be zero...
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3 years ago

A car speeds up from 12.0 m/s to 16.0 m/s in 8.00s what is the acceleration

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Answer:

0.5m/s²

Explanation:

acceleration =v-u/t

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acceleration =0.5m/s²

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2 years ago

Read 2 more answers