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Sidana [21]
3 years ago
9

The process of _____________ is modeled in the plant cell diagrams seen here. A) osmosis B) tonicity C) active transport D) faci

litated transport
Physics
2 answers:
Andrej [43]3 years ago
5 0

dAnswer:

Explanation:

AVprozaik [17]3 years ago
5 0

Answer:

A) Osmosis

Explanation:

The process of osmosis is modeled in the cell diagram

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A cave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. The lift i
bija089 [108]

Answer

Mass m = 78 kg

Vertical height in each stage h = 11 m

(a).

Initial speed u = 0

Final speed v = 1.1 m / s

v^2=u^2 + 2 as

1.1^2 = 2 a \times 11

a = 0.055 m/s²

Work done

W_a= m g h + \dfrac{1}{2}mv^2

W_a= 78\times 9.8 \times 11 + \dfrac{1}{2} 78 \times 1.1^2

W_a = 8408.4 + 47.19

W_a = 8455.59 J

(b).Work done

W_b= mgh

W_b = 78× 9.8× 11

W_b= 8408.4 J

c)

Work done

W= m g h + \dfrac{1}{2}m(v_f-v_i)^2

Where V = final speed

               = 0

            v = 1.1 m / s

for deceleration a = -0.055 m/s²

now,

F_L = 56 (-0.055+9.8) = 545.72 N

W_c = 545.75 × 11

W_c = 6003.25 J

   

7 0
3 years ago
What is the velocity of a 50kg skater if her momentum is 225kg. m/s?
Gnom [1K]

|Momentum| = (mass) x (speed)

225 kg-m/s =(50kg) x (speed)

Divide each side by (50kg):  Speed=(225 kg-m/s) / (50 kg) = 4.5 m/s .

Regarding the velocity, nothing can be said other than the speed, because
we have no information regarding the direction of the object's motion.

8 0
3 years ago
Read 2 more answers
(11%) Problem 5: A submarine is stranded on the bottom of the ocean with its hatch 25 m below the surface. In this problem, assu
V125BC [204]

Answer:

F = 1.24*10^4 N

Explanation:

Given

Depth of the ship, h = 25 m

Density of water, ρ = 1.03*10^3 kg/m³

Diameter of the hatch, d = 0.25 m

Pressure of air, P(air) = 1 atm

Pressure of water =

P(w) = ρgh

P(w) = 1.03*10^3 * 9.8 * 25

P(w) = 2.52*10^5 N/m²

P(net) = P(w) + P(air) - P(air)

P(net) = P(w)

P(net) = 2.52*10^5 N/m²

Remember,

Pressure = Force / Area, so

Force = Area * Pressure

Area = πr² = πd²/4

Area = 3.142 * 0.25²/4

Area = 3.142 * 0.015625

Area = 0.0491 m²

Force = 0.0491 * 2.52*10^5

F = 12373 N

F = 1.24*10^4 N

5 0
3 years ago
Read 2 more answers
The universal force that is effective over the longest distance is called?
gulaghasi [49]
The answer is D. gravity
3 0
3 years ago
A train has a constant velocity of 2 m/s. east what is the magnitude of the horizontal acceleration of the trian?
kupik [55]

Answer:

0 m/s²

Explanation:

The velocity is constant, so there is no acceleration.

4 0
3 years ago
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