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Light waves can travel can travel in different ways depending on the object. It can travel through a vacuum which is a complete airless place, mirror, but sound has to travel through a solid or gas.
That's disturbing in so many ways and untrue, The anwer is Because it makes it easier to see
The electric force between two charged objects is decreased by a factorof 4 if you double the distance between the objects, from the formulaF=(q1*q2)/(4*Pi*Eo*r^2).
The gravitational force becomes 4 times stronger than it was before the objects moved closer.
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The answer is 10C4 = 10*9*8*7/(4*3*2*1) = 210 ways.
The Sun and Proxima Centauri (4.2 light years)
The first object in the row can be any one of the 4 objects. For each of those . . .The second one in the row can be any one of the remaining 3 objects. For each of those . . .The third one in the row can be either of the remaining 2 objects.The total number of different arrangements is (4 x 3 x 2) = 24 ways.
STOP at an intersection without a traffic light.
2+2=4 uses light energy for example 6+6=12 thats also light energy
4 ways to prevent pollution: 1. recycle objects that can be recycled 2. reuse plastic bottles 3. make a compost pile for objects that you would usually throw away 4. if you have little kids in your family that still use/need diapers use cloth diapers instead of disposable diapers.
5! is the symbol for Factorial 5 , ie 5 x 4 x 3 x 2 = 120 different ways
Factorial 7 (7!) ie 7 x 6 x 5 x 4 x 3 x 2 = 5040 different ways. Look at it this way: The first place can be taken by any of the 7 objects, which leaves any of 6 objects available for second place, which leaves any of 5 objects...
Light waves can travel can travel in different ways depending on the object. It can travel through a vacuum which is a complete airless place, mirror, but sound has to travel through a solid or gas.
1.Avoid stepping on nails 2.Avoid touching electrical objects 3.Avoid playing with sharp objects 4.Avoid playing with fire 5.Avoid running on slippery water
10 over 6, which is the same as (10 x 9 x 8 x 7 x 6 x 5) / (1 x 2 x 3 x 4 x 5 x 6).
children who had used transitional objects at age 4 were