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3 years ago

Explain why it took so long for psychology to be recognized and what things helped it to get recognized.

1 answer:

4 0

It took so long because at the time there was no way for people to study the behavior formally. im not sure what helped it get recognized but i know wihelm wundt helped get it recongnized.

sorry i couldnt be much help

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Predict the products of the combustion of methanol, CH3OH(l).

gregori [183]

Answer:

Carbon dioxide and water

Explanation:

The products of complete combustion are always carbon dioxide and water.

The balanced reaction is:

4 CH₃OH + 3 O₂ → 4 CO₂ + 2 H₂O

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2 years ago

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What is the measuring devices of a mass

erik [133]

The measuring devices for mass is scales and Balances

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3 years ago

What two forces act on a falling object ?

goldenfox [79]

Answer:

The two forces acting on the object are weight due to gravity pulling the object towards earth, and drag resisting this motion. When the object is first released, drag is small as velocity is low, so the resultant force is down. This means the object accelerates towards earth.

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3 years ago

When a wire 1.5 m long carries a 24-A current in the +x direction in a uniform external magnetic field, the magnetic force exert

VLD [36.1K]

Answer:

Explanation:

Let the magnetic field be

B = $B_xi +B_yj +B_z k$

For magnetic force , the expression is

F = L ( I x B )

= 1.5 ( 24i x $B_xi +B_yj +B_z k$ )

F = 36 B_y k - 36 B_z j

Given

F = 3 j + 2 k

Equating equal terms

we have

B_y = 2 / 36 , B_z = - 3 / 36

Now the direction of current is changed to y direction

so F = $1.5[ 24j \times ( B_xi +B_yj +B_z k )]$

Given

F = - 3 i - 2 k

Equating equal terms

we have

B_x = 2 / 36 , B_z = - 3 / 36

So B = 2/36 i + 2/36 j - 3/ 36 k

Magnitude of B

= 4.1 / 36 T

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3 years ago

A student who weighs 500N climbed the stairs from the first floor to the third floor, 15m above, in 20s. What was her power? *

Anastasy [175]

For the gravitational force F, the Work is given by W = F*h, where h represents the height of the student.
Power P = W / t, where t is time.

7 0

2 years ago