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frutty [35]
4 years ago
8

According to Binet, mental age relates to chronological age because ___________.

Physics
1 answer:
mamaluj [8]4 years ago
8 0
<em>Its B fam, hope you get that good grade.</em>
You might be interested in
Convert this number to standard notation: 1.4 x 10^-2*
Marysya12 [62]

Answer:

0.014

Explanation:

here

1.4 x 10^-2

=0.014

may this help

6 0
3 years ago
A uniform rod of length L is pivoted at L/4 from one end. It is pulled to one side through a very small angle and allowed to osc
ludmilkaskok [199]

Answer:

T= 4.24sec

Explanation:

We are going to use the formula below to calculate.

T=2\pi \sqrt{\frac{L}{g} }

Where T is period

           L is length of rod

       g is acceleration due to gravity =     9.8m/s^{2}

From the problem, the rod is pivoted at 1/4L which means that three quarter of the rod was used for the oscillation. lets call this L_{O}

L_{O} = 3/4 * 5.95m

        = 4.4625m

thus   T=2\pi \sqrt{\frac{L_{O} }{g} }

          T=2\pi \sqrt{\frac{4.4625 }{9.8} }

          T= 4.24sec

8 0
4 years ago
You build a solenoid containing 500 windings over a 0.20-m length, with a loop radius of 0.025 m for each winding. the current i
marta [7]
The inductance of a solenoid is given by:
L= \frac{\mu_0 N^2 A}{l}
where
\mu_0 is the vacuum permeability
N is the number of turns of the solenoid
A is the area of one loop of the solenoid
l is its length

For the solenoid in our problem, N=500, and the radius of one loop is r=0.025 m, so the area of one loop is
A=\pi r^2 = \pi (0.025 m)^2 = 1.96 \cdot 10^{-3} m^2
and its length is l=0.20 m

So the inductance of the solenoid is
L= \frac{(4 \pi \cdot 10^{-7} NA^{-2})(500)^2(1.96 \cdot 10^{-3} m^2)}{ 0.20 m}=3.08 \cdot 10^{-3} H
4 0
4 years ago
Science question. What can cause a change in the direction of a magnetic field?
ivann1987 [24]

Answer:

- Whenever current travels through a conductor, a magnetic field is generated. ... Depending on the shape of the conductor, the contour of the magnetic field will vary. ... Click the Reverse button to change the direction of the current flow ... to make a fist (or to wrap around the wire in question) is the direction of ...

Explanation:

4 0
4 years ago
If a wave travels 16 meters in 2 seconds, what is its wave speed?
GarryVolchara [31]

Wave speed is 8 m/s

Explanation:

  • Wave speed or speed of the wave is given by the formula

v = distance traveled by the wave/time

  • Here, distance traveled = 16 m and time = 2 s

⇒ Wave speed = 16/2 = 8 m/s

7 0
3 years ago
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