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Bess [88]
4 years ago
8

Is a mirror transparent, translucent or opaque?

Physics
2 answers:
My name is Ann [436]4 years ago
5 0
Opaque, if we are talking about a one-way mirror ;) 
mr Goodwill [35]4 years ago
4 0
A mirror is OPAQUE........
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Heat engines converts what type of energy into mechanical energy?
Rasek [7]

It's called a heat engine, so I would guess thermal. 2

8 0
3 years ago
You measure a watch's hour and minute hands to be 7.4 mm and 12.1 mm long, respectively. Part A In one day, by how much does the
pychu [463]

Answer:

109.385m

Explanation:

In 1 day, the hour hand travels 2 circles, or 4π rad in angular. The distance it travels is its angle times the radius

7.4 * 4π = 93 mm

In 1 day, the minute hand travels 24*60 = 1440 circles, or 1440 * 2π = 2880π rad in angular. The distance it travels is

12.1 * 2880π = 109478 mm

So the distance traveled by the tip of the minute hand that exceed the distance traveled by the tip of the hour hand is

109478 - 93 = 109385 mm or 109.385 m

3 0
4 years ago
Two equally charged spheres of mass 1.00 g are placed 2.00 cm apart. When released, the initial acceleration of each sphere is 2
shusha [124]

Answer:

q = 0.107 \mu C

Explanation:

As we know that net force is given by

F = ma

here we have

m = 1.00 g = 0.001 kg

also we know that acceleration is given as

a = 256 m/s^2

now force is given as

F = 0.001(256) = 0.256 N

now by the formula of force we know that

F = \frac{kq_1q_2}{r^2}

0.256 = \frac{(9\times 10^9)q^2}{(0.02)^2}

now for solving charge we have

q = 0.107 \mu C

5 0
3 years ago
Which of the following would increase friction?
PolarNik [594]
Aside from sand, the rest is used to reduce friction between to objects, acting much more like a lubricant. This is on the context that the rougher the surface, the more friction is created. Then again, factors are to be considered especially as to what objects are in contact with each other when these options are added to the intention of increasing friction and finding out which doesn't do the trick. As for this case, since it there isn't any specifics and as to the kind of friction, then sand would be the likely answer.
5 0
3 years ago
Which of the following objects would absorb the most light?
RSB [31]

A an opanque object is compared to a black T shirt

7 0
3 years ago
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