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Elena-2011 [213]
3 years ago
13

What is 2/9 divided by 4

Physics
1 answer:
user100 [1]3 years ago
6 0

Answer:

1/12

Explanation:

\frac{2}{9}÷\frac{4}{1}

Cross multiply

\frac{2}{9}×\frac{1}{4}

=\frac{3}{36} then simplify to 1/12

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Which type of arrow is being shown if viewing a physics diagram and there is a soccer ball on the grass with an arrow that shows
Nady [450]

Answer:

it is a vector arrow

a vector show the speed and direction

7 0
3 years ago
A 75 A resistor in a circuit has a current flowing through it of 2.0 A. What is
Reptile [31]

Answer:

The power dissipated by the resistor can be calculated as P = I^{2} R .

Explanation:

  • Joules heating law states that any conductor passed with the electric current produces heating effect which is the electric power loss.
  • The given circuit has, R = 75 ohm resistor (the unit is wrong i question because resistor's unit is ohm not Ampere).
  • Current flowing through the circuit is I = 2.0 A.
  • By using joules heating theory, P = I^{2} R,

                  or,   P = 2^{2} * 75

                  or,   P= 4*75

                 or,  P= 300 W.

  • So the power dissipated by the resistor in the circuit is 300 W.
7 0
3 years ago
Can earthquakes with a magnitude between 3.0 and 6.0 produce high intensity levels?
laiz [17]
3.0 typically is only felt by people who are resting or on the up stairs of buildings. 6.0 is more intense. I would say a 6.0 can produce high intensity levels. A 6.0 can damage buildings of good design and structure. Damagable in poorly built or badly designed structures. Some chimneys may be broken.
5 0
3 years ago
If a waves frequency is 4Hz, and its wavelength is 5 m, then what is its speed?
hammer [34]

Answer:

speed = 20 m/s

Explanation:

speed = frequency * wavelength

speed = 4 * 5

speed = 20 m/s

6 0
3 years ago
A gas bottle contains 7.86×10^23 Oxygen molecules at a temperature of 327.0 K.
castortr0y [4]

Answer:

1.  E=5320.3J

2. E= 1773.45J

3. E=6.76*10^{-21}J

4. E=2.25*10^{-21}J

Explanation:

1. the thermal energy is given by the formula

E_T=\frac{3}{2}NK_BT=\frac{3}{2}(7.86*10^{23})(1.38*10^{-23}\frac{J}{K})(327.0K)=5320.3J

where KB is the Boltzmann's constant, T is the temperature and N is the number of molecules in the system.

2. Each degree of freedom contains one half of the total energy. Hence, the energy for one degree of freedom is

E_1=\frac{1}{2}NK_BT=1773.45J

3.

E=\frac{3}{2}K_BT=6.76*10^{-21}J

4.

E=\frac{1}{2}K_BT=2.25*10^{-21}J

Hope this helps!!

6 0
3 years ago
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