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Diano4ka-milaya [45]
4 years ago
12

Convert 0.592 hm to cm. *

Physics
1 answer:
sattari [20]4 years ago
3 0

<em>Answer:</em>

<em>5920 cm</em>

<em>Explanation:</em>

<em>1 hm = 100m</em>

<em>1 m = 100cm</em>

<em>1 hm = 100×100cm = 10000 cm</em>

<em>0.592 hm = 0.592×10000cm = 5920 cm</em>

<em>Good luck !</em>

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a portable DVD player requires six 1.5-volt batteries to operate.if the resistance in the circuitis 7.2 ohms. what's the current
kupik [55]

Hello!

A portable DVD player requires six 1.5-volt batteries to operate. If the resistance in the circuit is 7.2 ohms, what is the current?

Data:

We have six 1.5 volt batteries, soon, your tension (V)

V = 1.5 * 6 = 9 Volts

R (resistance) = 7.2 ohms

I (Current intensity) = ? (in Amps)

Solving (Ohm's First Law):

I = \dfrac{V}{R}

I = \dfrac{9}{7.2}

\boxed{\boxed{I= 1.25\:A}}\:\:\:\:\:\:\bf\blue{\checkmark}

Answer:  

The current is 1.25 amps

________________________

\bf\blue{I\:Hope\:this\:helps,\:greetings ...\:Dexteright02!}\:\:\ddot{\smile}

7 0
4 years ago
An airplane flying horizontally at a constant speed of 350 km/h over level ground releases a bundle of food supplies. Ignore the
dybincka [34]

Answer:

0 km/h vertically, horizontally yet 350 km/h

Explanation:

The bundle was inside the plane, so it start a free fall movement from rest, i.e., 0km/h, but of course the speed increases with gravity, at 9,8m/s^2 over time, but since here it is asked the vertical speed at the beginning, it is 0 km/h.

4 0
4 years ago
How to convert work done in joules into kilojoules?
Sav [38]

1 Kilojoule [kJ] = 737.562 149 277 27 Foot pound force [ftlbf]

3 0
2 years ago
Read 2 more answers
If there is no change in the velocity of the object then it is known to be in ______
irga5000 [103]

OPTION (C) IS CORRECT

ANSWER - UNIFORM MOTION

If there is no change in the velocity of the object then it is known to be in <u>UNIFORM MOTION</u>.

EXPLORE MORE:-

EXAMPLE - A CAR COVERS A DISTANCE OF 15 KM WE'D EVERY 2 HOURS

FOR AN UNIFORM MOTION, ACCELERATION IS ZERO , AS THERE IS NO CHANGE IN VELOCITY....

-THANKS.!!

4 0
2 years ago
Calculate the energy per photon and the energy per mole of photons for radiation of wavelength (a) 200 nm (ultraviolet), (b) 150
VMariaS [17]

Answer: a. E =9.9*EXP(-19)J

1 mole E= 596178J

b. E= 1.32*EXP(-15)J, 1 mole E=795MegaJ

c. E= 1.98*EXP(-23)J

1 mole E = 11.9J

Explanation: The Energy of a photon E, the wavelength are related by

E= h*c/wavelength

h is the Planck's constant 6.6*EXP(-34)J.s

c is speed of light 3*EXP(8)m/s

h*c=1.98*EXP(-25)

Now let's solve

a. E = h*c/wavelength

= h*c/(200*EXP(-9)m

=9.9*EXP(-19)J

1 mole of a photon contian 6.022*EXP(23)photons by advogadro

Now to get the energy of 1 mole of the photon we have

9.9*EXP(-19)*6.023*EXP(23)

=596178J

b. E=h*c/150*EXP(-12)m

=1.32*EXP(-15)J

1 mole will have

1.32*EXP(-15)*6.022*EXP(23)J

=795*EXP(6)J

c. E= h*c/1*EXP(-2)m

=1.98*EXP(-23)J

1 mole of the photon will have

1.98*EXP(-23)J *6.022*EXP(23)

= 11.9J.

You will notice that the longer the wavelength of the photon the lesser the Energy it as.

NOTE: EXP represent 10^

8 0
4 years ago
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