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xxMikexx [17]
3 years ago
12

Power dissipated is 40w in the 10 ohms resistor. What is the

Physics
1 answer:
sveticcg [70]3 years ago
3 0

tiodoododoodkdkdkdedd

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A railroad car of mass 20000 kg and velocity 5.0 m s to the right collides completely elastically in a head on collision with a
Montano1993 [528]

Answer:

OMG IM ON THE SAME QUESTION

Explanation:

4 0
3 years ago
What is the wavelength of a sound wave<br> with a speed of 331 m/s and a frequency<br> of 500 Hz?
ludmilkaskok [199]

Answer:

0.777m

Explanation:

The sound wave has a wavelength of 0.773m.

Explanation:

To solve this problem we have to use the wave equation that is given below:

We know the frequency and the velocity, both of which have good units. All we have to do is rearrange the equation and solve for  

λ :

λ = v f

Let's plug in our given values and see what we get!

λ = 340 m s

440 s − 1

λ = 0.773 m

Hope this helps, Mark as brainliest if u want

4 0
2 years ago
The velocity of blood flow is the lowest in capillaries because
Varvara68 [4.7K]

Answer:

the total cross-sectional area of the capillaries is greater than the total cross-sectional area of the arteries or any other part of the circulatory system.

Explanation:

Blood velocity is not the same in all areas. In the capillaries it is where there is less speed, while in arteries and veins it is quite similar. This is due to the cross-sectional area of ​​each of the vessels. It is a mistake to think of a vein, artery or capillary individually. We have to put them all together to see that the total area of ​​the capillaries is 100 times larger than that of the arteries or veins. Blood flowing through arteries or veins is going faster because there is less area.

Blood velocity is inversely proportional to each of the areas of its territories. The greater the area, the lower the speed.

6 0
3 years ago
One end of a string 4.32 m long is moved up and down with simple harmonic motion at a frequency of 75 Hz . The waves reach the o
max2010maxim [7]

To solve this problem, we will apply the concepts related to the kinematic equations of linear motion, which define speed as the distance traveled per unit of time. Subsequently, the wavelength is defined as the speed of a body at the rate of change of its frequency. Our values are given as,

\text{Length of the string} = L = 4.32 m

\text{Frequency of the wave} = f = 75 Hz

\text{Time taken to reach the other end} = t = 0.5 s

Velocity of the wave,

V = \frac{L}{t}

V = \frac{4.32 m}{0.5s}

V = 8.64m/s

Wavelength of the wave,

\lambda = \frac{V}{f}

\lambda = \frac{8.64m/s}{75Hz}

\lambda = 0.1152m

\lambda = 11.52cm

Therefore the wavelength of the waves on the string is 11.53 cm

4 0
3 years ago
Read 2 more answers
The part of a circult that increases the electric potential of the electrons is the
Tanya [424]

Answer:

The part of a circuit that increases the electric potential of the electrons is the battery.

6 0
3 years ago
Read 2 more answers
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