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klemol [59]
3 years ago
10

In which stage in the life cycle of a cnidarian is the organism anchored to the bitten of the ocean or lake where it lives

Physics
1 answer:
Semmy [17]3 years ago
7 0
<span>In which stage in the life cycle of a cnidarian is the organism anchored to the bitten of the ocean or lake where it lives</span>
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Suppose that you have been chosen for a space mission to a distant planet. Due to the length of time you'll be away from Earth y
Contact [7]

Answer:

I should be active for 15 hours to meet the physical activity requirement.

Explanation:

Since time dilates in moving objects, we use the formula t = t₀/√(1 - β²) where t = time in space vehicle, t₀ = time on earth = 9 hours and β = v/c where v = speed of space vehicle = 0.8c.

So, t = t₀/√(1 - β²)

t = 9/√(1 - (v/c)²)

= 9/√(1 - (0.8c/c)²)

= 9/√(1 - (0.8)²)

= 9/√(1 - (0.64)

= 9/√0.36

= 9/0.6

= 15 hr

So, according to a timer on the space vehicle, I should be active for 15 hours to meet the physical activity requirement.

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3 years ago
What's the best place to watch videos for general physics?
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3 years ago
Predicting future events in a person's life based on the lines on the palm of the hand is an example of (2 points)
igomit [66]

Answer:

Pseudoscience

Explanation:

Predicting future events in a person's life based on the lines on the palm of the hand is an example of Pseudoscience. A pseudoscience is a false science that makes claims based on faulty or nonexistent scientific evidence and often characterized by contradictory, excessive claims, etc. These types of Pseudoscientific beliefs are common due to widespread "scientific illiteracy among different societies.

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3 years ago
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Some of the quantities you measure in this lab are vectors and some are scalers. When you add vectors together youneed to worry
GalinKa [24]

Answer:

B I think

Explanation:

4 0
3 years ago
A 50-cm-long spring is suspended from the ceiling. A 270 g mass is connected to the end and held at rest with the spring unstret
I am Lyosha [343]

Answer:

The spring constant is 45.94 N/m.

Explanation:

Given that,

Length = 50 cm

Mass = 270 g

Stretching the spring = 24 cm

We need to calculate the spring constant

Using formula of energy

The change in potential energy equal to the change in kinetic energy.

mgh=\dfrac{1}{2}kx^2

Put the value into the formula

270\times10^{-3}\times9.8\times50\times10^{-2}=\dfrac{1}{2}\times k\times(24\times10^{-2})^2

k=\dfrac{2\times270\times10^{-3}\times9.8\times50\times10^{-2}}{(24\times10^{-2})^2}

k=45.94\ N/m

Hence, The spring constant is 45.94 N/m.

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3 years ago
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