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Evgesh-ka [11]
3 years ago
6

The net effect of each cycle of the sodium-potassium pump is to ____.? ?decrease the number of positively charged ions within th

e cell ?increase the number of positively charged ions within the cell ?decrease the number of positively charged ions outside the cell ?increase the number of negatively charged ions within the cell
Physics
1 answer:
stealth61 [152]3 years ago
3 0
The correct answer may be A
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1 point<br> You throw a ball up in the air with a velocity of 30 m/s. How high does it<br> go?
choli [55]

Answer:

Explanation:

2as=vf^2-Vi^2

vf=30 m/s

vi= 0 m/s

a=g=9.8 m/s^2

s=vf^2-Vi^2/2a

s=(30)²-(0)²/2*9.8

s=900-0/19.6

s=45.9=46 m

4 0
2 years ago
A 10 kg ball is held above a building with a height of 30 m. What is the
Darina [25.2K]

Answer: 2940 J

Explanation: solution attached:

PE= mgh

Substitute the values:

PE= 10kg x 9.8 m/s² x 30 m

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3 years ago
If the mass of an object is 8 kg and its momentum is -80 kgm/s, what is its velocity?
Dimas [21]

An object's momentum is the product of its mass and its velocity:

p = mv

p is its momentum, m is its mass, and v is its velocity.

Given values:

p = -80kg×m/s

m = 8kg

Plug in these values and solve for v:

-80 = 8v

v = -10m/s

Choice D

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3 years ago
The nucleus of an atom can have either a positive or negative charge. please select the best answer from the choices provided t
Airida [17]
F - False.

The nucleus of an atom is positively charge.
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LAB: Thermal Engery Transfer
hodyreva [135]

Answer:

A- mass and type of material

B- type of material

C- Temperature

Explanation:

thx

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