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qwelly [4]
3 years ago
11

Glassy and metallic are terms that describe what mineral property? A.luster B.color C.shape D.hardness

Physics
2 answers:
lana66690 [7]3 years ago
6 0
The answer is A.luster
Otrada [13]3 years ago
5 0

The correct answer is option A. Luster

Hope this helps! :)

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What in the world is infrared radiation
alexandr402 [8]

Infrared radiation is heat that travels from one place to another
in the form of electromagnetic waves.

It's called "infrared" because its wavelength is just past the
longest visible light ... the next category with wavelengths
longer than red light.

Infrared radiation is how heat gets here from the sun, and how
you feel the heat from a fireplace or a campfire when you stand
20 feet away from them.  When that happens, your front gets
toasty while your back stays cold, so you know it's not a matter
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7 0
3 years ago
A 1400 kg vehicle travelling at 22 m/s slows at a constant rate to 4.5 m/s in 6.75 s. What was the net force acting on the car d
Akimi4 [234]

Answer:

Net force = 3640 N

Explanation:

From first equation of motion

V = U + at

4.5 = 22 + 6.75a

( 4.5-22) ÷ 6.75 = a

acceleration (a) = -2.6m/s^2 <em>( negative</em><em> sign shows deceleration, but actual acceleration is 2.6) </em>

But Force = mass × acceleration

Force = 1400 × 2.6

Force = 3640 N

5 0
3 years ago
Two rowers, who can row at the same speed in still water, head across a river. . . The first rower (Alice) heads straight across
hjlf
"Alice" is the one among the following choices given in the question that arrives at the other side first. the correct option among all the options that are given in the question is the first option or option "A". the other choices can be easily neglected. i hope that this is the answer that has come to your great help.
4 0
3 years ago
Where is the acceleration zero?
ladessa [460]

Answer:

When acceleration is zero (that is, a = dv/dt = 0), rate of change of velocity is zero. That is, acceleration is zero when the velocity of the object is constant. so probably D

Explanation:

D

3 0
2 years ago
A child has a toy car on a horizontal platform. The car starts from rest and reaches a maximum speed in 4 s. If the mass of the
dmitriy555 [2]

Answer:

a=4m/s²

Explanation:

F=ma

0.4=0.1a

7 0
3 years ago
Read 2 more answers
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