3 years ago

What type of energy is present in lightning

Physics

2 answers:

valkas [14]3 years ago

8 0

I don't know but i think it is radiant energy. i am not sure

kobusy [5.1K]3 years ago

4 0

Thermal as well as electrical

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What do we mean when we say that motion is relative? What is everyday motion usually related to

Luda [366]

It’s measured in a reference frame that is usually the earth’s surface

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2 years ago

mestny [16]

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3 years ago

A block with m = 300 grams oscillates at the end of a linear spring with k = 6.5 N/m. (assume this is a top-down view and the bl

inna [77]

Answer:

a) T=1.35s

b) amplitude = 0.0923m

Explanation:

m=300 gr

k=6.5 N/m

first we need to get the angular frequency of the motion

so we have that

ω = √(k/m)

in this case motion is a simple harmonic so the period is defined by:

T= 2π / ω

T= 2π / √(k/m)

replacing the variables...

T= 2π / √(6.5/0.3)

T=1.35s (period of the block's motion)

and...

α max = | ω²r max |

2 = (2π/1.35)² * r max

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6 0

2 years ago

A house is lifted from its foundations onto a truck for relocation. The house is pulled upward by a net force of 2850 N. This fo

Gwar [14]

Answer:

m = 95000 kg

Explanation:

Given that,

Net force acting on the house, F = 2850 N

Initial speed, u = 0

Final speed, v = 15 cm/s = 0.15 m/s

We need to find the mass of the house. Let the mass be m. We know that the net force is given by :

F = ma

Where

a is the acceleration of the house.

So,

$F=m\dfrac{v-u}{t}\\\\m=\dfrac{Ft}{(v-u)}\\\\m=\dfrac{2850\times 5}{(0.15-0)}\\\\m=95000\ kg$

So, the mass of the house is equal to 95000 kg.

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2 years ago

Iron + Hydrochloric acid --> ?

marusya05 [52]

<h3>Hydrochloric Acid- HCl</h3>

<h2><u>Solution</u></h2>

$\bold{Fe +2HCl \rightarrow FeCl _{}{ \tiny2} + H{ \tiny{2}}}$

$\therefore \bold{\fbox{{Balanced}}}$

Iron + Hydrochloric Acid $\rightarrow$ Ferrous Chloride + Hydrogen

<h2>Hope This Helps You ❤️</h2>

8 0

2 years ago

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