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ASHA 777 [7]
2 years ago
13

4) A force is applied to an object and causes and acceleration of 2.4 m/s2. The same force is

Physics
1 answer:
galina1969 [7]2 years ago
7 0

Explanation:

Newton's second law of motion is F = ma, or force is equal to mass times acceleration

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What is the conservation of energy?
rusak2 [61]
Energy cannot be created nor be destroyed
6 0
2 years ago
What is the available energy content, in joules, of a battery that operates a 2.00-W electric clock for 18 months
iren2701 [21]

Answer:

93312000 Joules

Explanation:

Energy can be explained as the capacity for doing work. And can be expressed as

E= pt....................eqn(1)

Where

E= Energy in Joules

P= power in Watt= 2.00W

t= time in seconds

Time= 18 months, which can be converted to "seconds" as;

18 months = [ 18 monthsx 30 days x 24 hours x 60 min x 60 sec] = 46656000

Then

time= 46656000 seconds

Power=2 watt

If we substitute into equation (1) we have

Energy = 2 watt × 46656000 seconds

Energy= 93312000 Joules

7 0
2 years ago
Which of these items are made of cells? Check all that apply.
Katen [24]

Answer:

The correct answers are: Bacteria, Horses, Humans and Mushrooms.

Explanation:

All living organisms are made up of cells. A cell is a microscopic atomic unit and is made up of cytoplasm, one or more nuclei, and a membrane.

They are divided into eukaryotic cells (with nucleus) and prokaryotic cells (they do not have a nucleus).

Depending on the number of cells that living organisms have, they can be classified as single-celled organisms, which are made up of one cell. For example bacteria.

Or they can be multicellular organisms, formed by two or more cells, for example horses.

8 0
3 years ago
Read 2 more answers
A proton is projected perpendicularly into a magnetic field that has a magnitude of 0.50 T. The field is then adjusted so that a
bixtya [17]

Answer:

B_e = 2.72 \times 10^{-4} T

Explanation:

As we know that when charge particle is projected in perpendicular magnetic field then the radius of the charge particle is given as

F = qvB

\frac{mv^2}{r} = qvB

now we have

r = \frac{mv}{qB}

since here radius of proton and electron will be same

so we will have

r_e = r_p

\frac{m_e v}{q_e B_e} = \frac{m_p v}{q_p B_p}

so we have

B_e = \frac{B_p m_e}{m_p}

given that

B_p = 0.50 T

m_e = 9.11 \times 10^{-31} kg

m_p = 1.67 \times 10^{-27} kg

so we have

B_e = \frac{0.50(9.11\times 10^{-31})}{1.67\times 10^{-27}}

B_e = 2.72 \times 10^{-4} T

4 0
3 years ago
Read 2 more answers
a solenoid has 364 coils. the flux through each changes from 2.57*10^-5 Wb to 9.44*10^-5 Wb in 0.0154s. how much EMF is generate
timurjin [86]

Answer:

1.62

Explanation:

comment section (credits to <em>charlizebarth</em>)+ correct on acellus

8 0
2 years ago
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