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GuDViN [60]
3 years ago
8

More crossword cr a p! :D (Science)

Physics
1 answer:
IgorLugansk [536]3 years ago
3 0

Answer:

I'm pretty sure it is <u>Solute.</u>

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A lighter-than-air balloon and its load of passengers and ballast are floating stationary above the earth. ballast is weight (of
Natali5045456 [20]
Step 1: Find the upward acceleration. 
d = 107 m 
a = ??? 
vi = 0 
t = 14.4 sec 
d = vi * t + 1/2 at^2 
107 = 1/2 a * 14.4^2 
a = 214 / (14.4)^2 
a = 1.03 m/s^2 
Step 2: Find the Volume of the balloon and from that the mass. 

V = 4/3 * pi * r^3 
r = 6.52 m 
V = 4/3 x pi x 6.52^3
V= 1,161 m^3.
Density of air = m/V 1.29 = m/ 1161 
M = 1.29 x 1161
m = 1498 kg 
Step 3: The force keeping this in equilibrium = F = m* g 
F = 1498 * 9.81 = 14692 N 
Step 4: Find the mass needed to cause the upward acceleration. 
14692 = (1498 - x) * (9.81 + 1.03) 
14692 = (1498 - x) *  10.84 Divide both sides by 10.84 
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1355.35 - 1022
x = 333.35 kg
7 0
3 years ago
Plz help asap!!! I will mark brainliest for right answer....
RoseWind [281]
Yes some mixtures can be separated lets say sand and water the sand is insoluble therefore you can separate it using filtration  so it really depends on the mixture but yes they can be
6 0
4 years ago
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An electron has a velocity of 1.50 km/s (in the positive x direction) and an acceleration of 2.00 ✕ 1012 m/s2 (in the positive z
olga nikolaevna [1]

Answer:

see explanation

Explanation:

Given that,

velocity of 1.50 km/s = 1.50 × 10³m/s

acceleration of 2.00 ✕ 1012 m/s2

electric field has a magnitude of strength of 18.0 N/C

\bar F= q[\bar E + \bar V \times \bar B]\\\\\bar F = [\bar E + \bar V \times ( B_x \hat i +B_y \hat j +B_z \hat z )]\\\\\\m \bar a = [\bar E + \bar V \times ( B_x \hat i +B_y \hat j +B_z \hat z )]

9.1 \times 10^-^3^1 \times 2\times 10^1^2 \hat k=-1.6\times10^-^1^9 \hat k [18\hat k+ 1.5\times 10^3 \hat i \times (B_x \hat i +B_y \hat j +B_z \hat k)]42.2 \times 10^-^1^9 \hat k = -2.4 \times 10^1^6B_y \hat k + 2.4 \times 10 ^1^6 \hat j B_z\\

B_x = undetermined

B_y = \frac{42.2 \times 10^-^1^9}{-2.4 \times 10^-^1^6} \\\\= - 0.0176 T

B_z = 0T

8 0
4 years ago
Sort the characteristics of states of matter based on whether they change. the volume of a solid the shape of a solid the volume
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The volume of a solid is stable, the shape of a solid is stable.


The volume of a liquid is stable, the shape of a liquid is not stable.


The volume of a gas is not stable, the shape of a gas is not stable

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What was significant about the atomic theory that democrituis proposed?
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Democritus theorized that atoms were specific to the material which they composed
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