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UkoKoshka [18]
3 years ago
12

This table lists traits of four types of vertebrates. Each trait first appeared in a common ancestor of the animals that evolved

later. These traits are used to build a branching diagram
Based on the information in the table, which animal belongs in the spot labeled “C” on the branching diagram?

Pls help

Physics
1 answer:
mihalych1998 [28]3 years ago
3 0

Answer: Frog

Explanation: I took the quiz and got it right

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The resultant of two vectors acting at a 90°-angle can be determined from the _____ of the rectangle.
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D. Diagonal....................?

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Three fire hoses are connected to a fire hydrant. Each hose has a radius of 0.014 m. Water enters the hydrant through an undergr
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Explanation:

The total fluid mass can be obtained by multiplying the mass flow rate by the time flow rate.

Mass flow rate is given as

m = ρAv

Where

m is mass flow rate

ρ is density

A is area and it is given as πr²

v is velocity

Then,

M = mt

Where M is mass and t is time

Them,

M = ρAv × t

M = ρ× πr² × v × t

Given that, .

Radius of pipe is

r = 0.089m

velocity of pipe is

v = 3.3m/s

Time taken is

t = 1 hour = 3600 seconds

Density of water is

ρ = 1000kg/m³

M = ρ× πr² × v × t

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M = 295,628.52 kg

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8 0
4 years ago
Children in a tree house lift a small dog in a basket 4.90m up to their house. If it takes 201J of work to do this, what is the
scZoUnD [109]

Answer:

4.18 kg.

Explanation:

Work done: Work is said to be done when ever a force move a body through a given distance. The S.I unit of work done is Joules (J)

Mathematically, work done is expressed as

W' = F×d.................... Equation 1

Where W' = work done, F = force , d = distance.

making F the subject of the equation,

F = W'/d............................. Equation 2

Note: The force need to lift the small dog n a basket = combined weight of the dog ans the basket.

Therefore,

W = F

Where W = combined weight of the dog and the basket.

Also

W = Mg

M = W/g............................. Equation 3

Where M = combined mass of the dog and the basket, g = acceleration due to gravity.

Given: W' = 201 J, d = 4.90 m.

Substitute into equation 2

F = 201/4.9

F = 41.02 N.

Since F = W = 41.02 N and g = 9.81 m/s²

Substitute these values into equation 3

M = 41.02/9.81

M = 4.18 kg.

Thus the combined mass of the dog and the basket = 4.18 kg.

4 0
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