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scoundrel [369]
3 years ago
11

Part of the plant that isresponsible for the transport of water from the roots to the leaves​

Physics
1 answer:
nydimaria [60]3 years ago
8 0

Answer:

if you mean *responsible* for the transport of water from the roots to leaves is Xylem

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In order to waken a sleeping child, the volume on an alarm clock is doubled. Under this new scenario, how much more energy will
Kamila [148]

Answer:4 times more energy will be striking the childbearing

Explanation:

Because Volume is directly proportional to amplitude of sound. Energy is proportional to amplitude squared. If you triple the amplitude, you multiply the energy by 4

5 0
3 years ago
The woman in the first photo lifts a plant 2 m
Serjik [45]

Answer:

65x2=130

that's what she does

8 0
3 years ago
Train cars are coupled together by being bumped into one another. Suppose two loaded train cars are moving toward one another, t
wolverine [178]

Answer:

final velocity =  0.08585m/s

Explanation:

We are taking train cars as our system. In this system no external force is acting. So we can apply the law of conservation of linear momentum.

The law of conservation of linear momentum states that the total linear momentum of a system remains constant if there is no external force acting on the system. That is total linear momentum before = total linear momentum after

total linear momentum before = linear momentum of first train car + linear momentum of second train car

We know that linear momentum = mv

where,

m = mass

v = velocity

thus,

total linear momentum before = m₁v₁ + m₂v₂

m₁ = mass of first train car = 135,000kg

v₁ = velocity of first train car = 0.305m/s

m₂ = mass of first second car =  100,000kg

v₂ = velocity of second train car =  −0.210m/s

Note: Momentum is a vector. So while adding momentum we should take account of its direction too. Here since second train car is moving in a direction opposite to that of the first one, we have taken its velocity as negative.

total linear momentum before = m₁v₁ + m₂v₂

                                                  = 135,000x0.305 + 100,000x(−0.210)

                                                  = 135,000x0.305 - 100,000x0.210

                                                  = 20,175 kgm/s

Now we have to find total linear momentum after bumping. After the bumping both the train cars will be moving together with a common velocity(say v).

Therefore, total linear momentum after = mv

m = m₁ + m₂ = 135,000 + 100,000 = 235,000

total linear momentum before = total linear momentum after

235,000v = 20,175

v =  \frac{20,175}{235,000}

  = 0.08585m/s

8 0
3 years ago
Read 2 more answers
What is required for an electric charge to flow through a wire?
max2010maxim [7]
In order to persuade the electrons in the wire to flow, you need
a potential difference between the ends of the wire.  Then the
electrons will want to get away from the more-negative end and
go to the more-positive end.  If both ends of the wire are at the
same potential, then the electrons have no reason to go anywhere,
and they just stay where they are.

Choice-d says this.
5 0
3 years ago
Read 2 more answers
On the sunlit surface of Venus, the atmospheric pressure is 9.0 106 Pa, and the temperature is 740 K. On the earth's surface the
iren2701 [21]

Answer:

the ratio (N/V)Venus / (N/V)Earth = 39 : 1

Explanation:

Detailed explanation and calculation is shown in the image below

3 0
3 years ago
Read 2 more answers
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