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tatiyna
4 years ago
15

What do you mean momentum?

Physics
1 answer:
MakcuM [25]4 years ago
7 0
Momentum --- The momentum possessed by a body is generally defined as the product of its mass and velocity.

Momentum is a vector and it also has magnitude as it is the product of the multiplication of the mass and velocity. 

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Urgent help for a physics exercise!
Zigmanuir [339]

a)

Amplitude of wave is given as maximum displacement from mean position

So here amplitude is 1.25 cm

b)

Wavelength is the length of the wave that it travels in one time period

From graph we can say the wavelength is given as 3cm

PART C)

Time period of wave is the time after which it repeats its shape

Speed of the wave = 21 cm/s

time period = wavelength / speed

T = \frac{3}{21}

T = \frac{1}{7} s

Now frequency is

f = \frac{1}{T}

f = 7 Hz

PART D)

Time period = \frac{1}{f}[/tex]

T = 0.143 s

6 0
4 years ago
The first jeans, made by Levi Strauss & Co., were invented in which year?
galina1969 [7]

Answer:

1873

Explanation:

The next time you see someone wearing a pair of Levi's® jeans, remember that these pants are a direct descendant of that first pair made back in 1873. That year, two visionary immigrants — Levi Strauss and Jacob Davis — turned denim, thread and a little metal into what has become the most popular apparel on earth.

6 0
3 years ago
Read 2 more answers
Why do people cry but dont say whats wrong they jus stand and act like we kno wha wrong
Finger [1]

Answer:

usually its because they dont wanna talk

Explanation:

I know what thats  like. Either that or they don't trust you. It could be something personal or they just dont wanna talk. But i wouldn't push. Just let them talk if they want to

5 0
4 years ago
Under control conditions, flow through a blood vessel is 100 ml/min with a pressure gradient of 50 mm Hg. What would be the appr
Sveta_85 [38]

Answer: flow = 1600 ml/min

Hi!

This problem si solved using Poiseuille law, which predicts the flow φ of a viscous fluid through a tube:

\phi = \frac{\pi r^4}{8\eta} \frac{\Delta P}{L}

L = length\\r = radius\\\Delta P = \text{pressure gradient}\\\eta = viscosity

We can calculate the ratio of initial (1) and final (2) flow. As we keep the same length, and viscosity, and pressure gradient the ratio is:

\frac{\phi_2}{\phi_1} = (\frac{r_2}{r_1} )^4

r_2 = 2r_1   (100% increase in radius)

\phi_2 = \phi_1 (\frac{r2}{r1}^4) = 100\frac{ml}{min} 2^4 = 1600 ml/min

7 0
3 years ago
three resistors of 25.0 W, 30.0 W, and 40.0 W are in a parallel circuit with a 6.0-volt battery. What is the current in the circ
frozen [14]

Answer:

6/95

I hope this is what you mean

Explanation:

Voltage = Current * Resistance

6 0
3 years ago
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