4 years ago

Why should physical education classes be separated by gender. Give 2 reasons why

1 answer:

4 0

Well for one it keeps the guys and the girls from starring at each other. Two girls would want to play with girls and guys with guys. A girl wouldn't want to play tackle football with a bunch of guys.

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Two particles having charges of 0.440 nC and 11.0 nC are separated by a distance of 1.80 m . 1) At what point along the line con

Harlamova29_29 [7]

Answer:

a) 0.3 m

b) r = 0.45 m

Explanation:

given,

q₁ = 0.44 n C and q₂ = 11.0 n C

assume the distance be r from q₁ where the electric field is zero.

distance of point from q₂ be equal to 1.8 -r

now,

E₁ = E₂

$\dfrac{K q_2}{(1.8-r)^2} = \dfrac{K q_1}{r^2}$

$(\dfrac{1.8-r}{r})^2= \dfrac{q_2}{q_1}$

$\dfrac{1.8-r}{r}= \sqrt{\dfrac{11}{0.44}}$

1.8 = 6 r

r = 0.3 m

<h3>b) zero when one charge is negative.</h3>

let us assume q₁ be negative so, distance from q₁ be r

from charge q₂ the distance of the point be 1.8 +r

now,

E₁ = E₂

$\dfrac{K q_2}{(1.8+r)^2} = \dfrac{K q_1}{r^2}$

$(\dfrac{1.8+r}{r})^2= \dfrac{q_2}{q_1}$

$\dfrac{1.8+r}{r}= \sqrt{\dfrac{11}{0.44}}$

1.8 =4 r

r = 0.45 m

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4 years ago

When drawing a free-body diagram for an object on an inclined surface, which way does the force of gravity point? A. Straight do

babunello [35]

A- Straight Down

Remember wherever the object is, whether it is straight or inclined, gravitational pull will always act downwards.

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4 years ago

A ball is thrown straight up. What can be said about the sign of work done by the force exerted by gravity while the ball moves

dolphi86 [110]

Answer:

I think the answer is E....

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3 years ago

What a not an aspect of relative wind

daser333 [38]

Relative wind<span> is defined as the airflow relative to an airfoil.</span>

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3 years ago

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As you climb a mountain, you can expect the air temperature to decrease by 6.5 degrees C for every 1000 meters you ascend. This

Reptile [31]

Answer:

the answer will be C. 4 degrees C

Explanation:

you subtract base meters from peak meters to get 4 meters; then Multiply 6.5 by 4.

Then subtract that total from 30 degrees C

***as altitude increases, temperature decreases***

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3 years ago