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adelina 88 [10]
2 years ago
10

Which of the following remains constant during the motion of a projectile fired from a planet?

Physics
2 answers:
trapecia [35]2 years ago
8 0

Answer:

C. Horizontal component of velocity

Explanation:

Object in motion stays in motion,

nothing works against its motion in the horizontal direction, unlike in the vertical direction, gravity pulls object down.

romanna [79]2 years ago
6 0
The real answer is b kinetic energy .
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Determine whether the variable is qualitative or quantitative. Favorite sport. Is the Variable Qualitative or Quantitative?
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The variable is qualitative, 
the quantitative variables are those that can be specified by a numeric value.
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In this type of polarization a Polaroid filter serves as a device that filters out one-half of the vibrations.
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4 0
1 year ago
An aluminum cup contains 225 g of water and a 40 g copper stirrer, all at 27°C. A 410 g sample of silver at an initial temperatu
fomenos

Answer:

130.22 g

Explanation:

Parameters given:

Mass of water Mw = 225 g

Mass of stirrer Ms = 40 g

Mass of silver M(S) = 410 g

By applying the law of conservation of energy:

(McCc + MsCs + MwCw)ΔTw = M(S)C(S)ΔT(S)

where Mc = Mass of cup

Cc = Specific heat capacity of aluminium cup = 900 J/gC

Cs = Specific heat capacity of copper stirrer = 387 J/gC

Cw = Specific heat capacity of water = 4186 J/gC

ΔTw = change in temperature of water = 32 - 27 = 5 °C

C(S) = Specific heat capacity of silver = 234 J/gC

ΔT(S) = change in temperature of silver = 88 - 32 = 56 °C

Therefore:

[(Mc * 900) + (40 * 387) + (225 * 4186)] * 5 = 410 * 234 * 56

(900Mc + 957330) * 5 = 5276700

900Mc + 957330 = 5276700 / 5 = 1074528

900Mc = 1074528 - 957330

900Mc = 117198

Mc = 117198/ 900

Mc = 130.22 g

The mass of the cup is 130.22 g.

5 0
3 years ago
I need to know what the answer is to this
Arturiano [62]
A pull between two objects, for example, between an object and Earth. When forces on an object are balanced, there is no change in speed or direction.

So the answer is I agree
7 0
2 years ago
Read 2 more answers
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