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nadya68 [22]
3 years ago
7

If lightning is caused by electricity in the air during a thunderstorm, what causes thunder?

Physics
2 answers:
NikAS [45]3 years ago
7 0

Answer:

Since light travels faster than sound, the lightning arrives before the thunder. But thunder is the sound of lightning shooting through the sky in a thunderstorm.

Explanation:

saveliy_v [14]3 years ago
4 0
The rapid expansion of the air surrounding the path of a lightning bolt
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A race card drives one lap around a race track that is 500 meters in length. How is this displacement different from the distanc
gulaghasi [49]

Answer:

Distance is 500 m, displacement is 0

Explanation:

Distance and displacement are defined in two different ways:

- Distance is the total length of the path covered by an object in motion - so it depends on the path taken. In this problem, the distance travelled by the car corresponds to the length of one lap, which is the length of the track, so 500 m

- Displacement is the distance in a straight line between the final point and the initial point of the motion. This means that displacement does not depend on the path taken, but only on the starting and ending point of the motion. In this problem, the car completes one lap, so the final position of the car is equal to its starting position - therefore the displacement is zero, since the distance between these two points is zero.

5 0
3 years ago
SOMEONE PLEASE HELP ME ASASP PLEASEEEEEE !!!!!!!
dmitriy555 [2]

Answer:

-65.6 m is the answer.

Explanation:

Brainly deleted my answer even though you got it correct, so this is just a repost.

4 0
3 years ago
In Figure 21-4 B, does the magnetic field -due to the current carrying wire- curve in a clockwise or counter-clockwise direction
weeeeeb [17]

The magnetic field between the poles of the horseshoe magnet in fig 21.4 B curves in the <u>counter clockwise direction.</u>

The magnetic field lines due to a straight current carrying conductor is given by the right hand thumb rule.  This rule is stated as follows: Imagine holding the current carrying conductor in your right hand with the thumb pointing in the direction of current, then the direction in which your fingers curve around the wire gives the direction of the magnetic field lines. The direction of the magnetic field lines at a point gives the direction of magnetic field at that point.

On applying this rule, it can be seen that the magnetic field  due to the conductor shown in Fig 21.4 B curves in the counter clockwise direction.

8 0
3 years ago
Read 2 more answers
What is one kg mass. ​
postnew [5]

1000g this is the answer for your question

7 0
4 years ago
A particle undergoes two displacements. The first has a
Novay_Z [31]
First you need to draw the picture of the problem to better understand it. Like the one bellow. 

In this task you have 2 sides of triangle and we can calculate angle between them. Angle between them is 120 - 35 = 85 degrees.

Once you have those 3 variables you can calculate third side of triangle using cosine law.
a - second displacement
b - first displacement
c- resultant displacement.

a^{2} =  b^{2}+ c^{2}-2*b*c*cos85
now we just need to calculate this.
a^{2} = 38439.458
a = 196

now, we use cosine law again to find the angle between second and first displacement.
\alpha = 45.36 degrees

The angle marked with "?" in the graph is our direction angle. We will call it \beta

\beta =90-30-45.36 = 14.64

Second displacement has magnitude of 196 and a direction of -14.64 with positive x axis
3 0
3 years ago
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