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Flauer [41]
3 years ago
6

I have learned that the energy produced by moving electron is called

Physics
1 answer:
alex41 [277]3 years ago
6 0
Answer:

kinetic energy

Explanation:

Electrical energy is a type of kinetic energy caused by moving electric charges. The amount of energy depends on the speed of the charges – the faster they move, the more electrical energy they carry.
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A sprinter starts from rest and accelerates to her maximum speed of 10.5 m/s in a distance of 11.0 m. (a) What was her accelerat
Anvisha [2.4K]

Answer:

a)a=5.01m/s^2

b)t=11.26s

Explanation:

A body that moves with constant acceleration means that it moves in "a uniformly accelerated movement", which means that if the velocity is plotted with respect to time we will find a line and its slope will be the value of the acceleration, it determines how much it changes the speed with respect to time.

When performing a mathematical demonstration, it is found that the equations that define this movement are as follows.

Vf=Vo+a.t  (1)

{Vf^{2}-Vo^2}/{2.a} =X(2)

X=Xo+ VoT+0.5at^{2}    (3)

X=(Vf+Vo)T/2 (4)

Where

Vf = final speed

Vo = Initial speed

T = time

A = acceleration

X = displacement

In conclusion to solve any problem related to a body that moves with constant acceleration we use the 3 above equations and use algebra to solve

to solve the question a, we can use the ecuation number 2

Vo=0

Vf=10.5 m/s

x=11m

{Vf^{2}-Vo^2}/{2.a} =X

{Vf^{2}-Vo^2}/{2.x} =a

{10.5^{2}-0^2}/{2x11} =a

a=5.01m/s^2

to find the time we can use the ecuation number 1

Vf=Vo+a.t

t=(Vf-Vo)/a

t=(10.5-0)/5.01=2.09s

part b

in this case  the spees is constant, so the movement is defined by the following ecuation

X=VT

t=x/v

t=96.3/10.5=9.17s

to find the total time we sum the times when the speed is constant and when the acceleration is constan

t=9.17+2.09

t=11.26s

8 0
3 years ago
Which of the following is a category of mechanical wave?
givi [52]

Answer:

a

because the mechanical wave is when it goes over and over again

8 0
3 years ago
Read 2 more answers
A person is standing on a spring bathroom scale on the floor of an elevator which is moving up and slowing down at the rate of 3
aleksklad [387]

Answer:

F_N=1194.24\ N

Explanation:

Given that,

The elevator is moving up and slowing down at the rate of, a=3\ m/s^2

The acceleration due to gravity, g=9.8\ m/s^2

Mass of the person, m = 93.3 kg

To find,

The reading of the scale.

Solution,

As the elevator is moving down with some acceleration. The net force acting on it is given by :

F_N=ma+mg

F_N=m(a+g)

F_N=93.3(3+9.8)

F_N=1194.24\ N

So, the scale will read 1194.24 N.

3 0
4 years ago
If you go to a nutrition store and buy a supplement you can count on the fact that it is pure and safe because supplements are r
likoan [24]

Answer:

The answer is False.

Explanation: The FDA (food and drug administration) is a regulatory agency of the United state Government, they regulate the production and distribution of food and drugs within the United States of America, ensuring that standards are met and followed.

Most of the approvals given to food and drugs by FDA are done based on random sampling of products which may not be able to capture all the defective products in a given lot or batch of supplies, which is why it very necessary to take other measures to verify the wholesomeness, authenticity etc of a given product before purchasing or making use of such products.

5 0
3 years ago
Read 2 more answers
What is the magnitude of g at a height above Earth’s surface where free- fall acceleration equals 6.5 m/s2 ?
satela [25.4K]
Well, the "magnitude of g" in a place is always described as the
free-fall acceleration there.  So your ' 6.5 m/s² ' is the answer to
the question.
6 0
4 years ago
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