3 years ago

Electric field lines indicate?

Physics

1 answer:

Bad White [126]3 years ago

4 0

Through the use of electric field lines—of force

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George feels very energetic and active on some days of the month and engages in gardening, washing laundry, and other menial job

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Answer:

Valproate (Depakote)

Explanation:

it is a mood stablizer

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3 years ago

While at a construction site, you see a crane lift a 1000kg steel beam up to a height of 10m in a time period of 5.0 seconds. A

storchak [24]

Answer:

Car has more power output than crane

Explanation:

We have given that mass of the crane m = 1000 kg

Height through which crane lift the steel beam h = 10 m

Acceleration due to gravity $g=9.8m/sec^2$

So work done by crane $W=mgh=1000\times 9.8\times 10=98000j$

Time period is given as t = 5 sec

We know that power $P=\frac{W}{t}=\frac{98000}{5}=19600watt$

Now mass of the car = 1000 kg

Initial velocity u = 0 m /sec

Final velocity v = 10 m/sec

We know that work done is equal to the change in kinetic energy

So work done $=\frac{1}{2}mv^2-\frac{1}{2}mu^2$

$=\frac{1}{2}\times 1000\times 10^2-\frac{1}{2}\times 1000\times 0^2=50000j$

Time ids given as t = 2 sec

So power $P=\frac{W}{t}=\frac{50000}{2}=25000watt$

So car has more power output than crane

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3 years ago

The measure of an acute angle is between 0 degrees and 180 degrees. true false

lozanna [386]

<span>The measure of an acute angle is between 0 degrees and 90 degrees. It must be smaller than the perpendicular angle i.e., 90 degree. So, the answer of your question would be false.

In short, Your Answer would be "False"

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3 years ago

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Which of the following is NOT a type of electromagnetic wave?

Mama L [17]

Answer:

Seismic waves

Explanation:

seismic waves are not represented by electromagnetic graphs, nor can they be reflected on an electromagnetic spectrum. Visible light, radio waves, and microwaves are all electromagnetic waves, which are represented by graphs and electromagnetic spectrums.

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4 years ago

Instructions:Select the correct answer. A meteor is approaching Earth. Which statement about its motion is true? The meteor trav

Lynna [10]

<span> The meteor accelerates after it is brought into earths force field

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3 years ago

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