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Fed [463]
2 years ago
5

How does lightning occer in the sky​

Physics
2 answers:
Ivenika [448]2 years ago
8 0

Answer:

Explanation:

Lightning happens in the sky when the negative charges electrons in the bottom of the cloud are attracted to the positive charges protons in the ground.

victus00 [196]2 years ago
7 0

Answer:

Lightning happens when the negative charges (electrons) in the bottom of the cloud are attracted to the positive charges (protons) in the ground.

Explanation:

Hope it helps u

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Most street lights are made from one or two elements mercury or sodium. Explain why astronomers preferred that cities you sodium
lora16 [44]
Mercury is very harmful to the average human being. the mercury can easily be released from the lamp if the lamp is knocked over and broken. mercury is also harmful if inhaled. sodium on the other hand is not harmful in any way.
4 0
3 years ago
How does a physicist answer a scientific question?
lara31 [8.8K]

Answer:

b

Explanation:

the answer is B

3 0
2 years ago
How is the mass and speed of a particle related to its kinetic energy?
jasenka [17]
The higher mass of a particle means it’ll be harder to move, slowing it down and the faster the particle is moving the higher the kinetic energy because there is more movement and pressure within the object with the energy
5 0
3 years ago
Read 2 more answers
If the same pressure is exerted over a greater area will more of less force result? Group of answer choices :
Zigmanuir [339]

Answer:

More force

Explanation:

Pressure and force are related by the equation:

p=\frac{F}{A}

where

p is the pressure

F is the force

A is the area

We can re-arrange the equation as

F=pA

In this problem, the pressure is kept the same (p' = p) while the area is increased. As we can see from the previous equation, the force applied is directly proportional to the area: therefore, a greater area means also a greater force.

8 0
3 years ago
A 50g man is walking at a speed of 4m/s. what is the kinetic energy of the walker?
Phantasy [73]
We have: K.E. = 1/2 mv²
Here: m = 50 g = 0.05 Kg
v = 4 m/s

Substitute their values, 
K.E. = 1/2 * 0.05 * 4²
K.E. = 1/2 * 0.05 * 16
K.E. = 0.4 J

In short, Your Answer would be 0.4 Joules

Hope this helps!
4 0
3 years ago
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