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mixer [17]
3 years ago
7

According to cell theory which of the following is not true?

Physics
2 answers:
madam [21]3 years ago
8 0

Answer:

The first one.

Explanation:

The cell theory says that *all* living things are made of cells.

Anettt [7]3 years ago
4 0

Answer:

first one

Explanation:

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How much power is needed to lift a 20-kg object to a height of 4.0 m in 2.5 seconds?
4vir4ik [10]

Answer:

313.92w

Explanation:

Formula for power:

P=W/∆t = Fv

Givens:

m=20kg

∆y=4.0m

∆t=2.5s

a=9.81m/s²

In order to find power, we first need to solve for work.

W=Fd (force*displacement), f=mg

W=mg∆y

W=(20kg)(9.81m/s²)(4.0m)

W=784.8J

P=W/∆t

P=784.8J/2.5s

P=313.92 watts

5 0
3 years ago
* 1a Average speed
ruslelena [56]

Explanation:

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4 0
3 years ago
A wave has the wavelength equal to 396 nm. what must be the frequency of this wave
Anvisha [2.4K]
This assumes that the wave has velocity c (is light).

7 0
3 years ago
A medical treatment where the individual breathes in pure oxygen while in a pressurized room or through a tube. This increased p
Leto [7]
Hyperbaric Oxygen Therapy (HBOT) is a medical treatment where the individual breathes in pure oxygen while in a pressurized room or through a tube. The HBOT treatment includes breathing 100% oxygen while under increased atmospheric pressure. It is used <span>for decompression sickness by scuba divers.</span>
5 0
3 years ago
The power of a machine is 6000 W. This machine is scheduled for design improvements. Engineers have reduced the
Georgia [21]

Explanation:

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W = (6000 W) (7.5 s)

W = 45,000 J

7 0
3 years ago
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