3 years ago

Is a mirror transparent, translucent or opaque?

Physics

2 answers:

My name is Ann [436]3 years ago

5 0

Opaque, if we are talking about a one-way mirror ;)

mr Goodwill [35]3 years ago

4 0

A mirror is OPAQUE........

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larisa86 [58]

Answer:

C.) 1.5 kg

Explanation:

Start with the equation:

$F_n_e_t=ma$

Plug in what you know, and solve:

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Find matching soluation:

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rjkz [21]

Answer:

Momentum of block B after collision = $-50\ kg\ ms^{-1}$

Explanation:

Given

Before collision:

Momentum of block A = $p_{A1}$ = $-100\ kg\ ms^{-1}$

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After collision:

Momentum of block A = $p_{A2}$ = $-200\ kg\ ms^{-1}$

Applying law of conservation of momentum to find momentum of block B after collision $p_{B2}$ .

$p_{A1}+p_{B1}=p_{A2}+p_{B2}$

Plugging in the given values and simplifying.

$-100-150=-200+p_{B2}$

$-250=-200+p_{B2}$

Adding 200 to both sides.

$200-250=-200+p_{B2}+200$

$-50=p_{B2}$

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Momentum of block B after collision = $-50\ kg\ ms^{-1}$

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