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Jobisdone [24]
3 years ago
12

Which state has the most fixed shape? O A. Gas O B. Solid O C. Liquid O D. Plasma

Physics
1 answer:
Mrac [35]3 years ago
3 0

Answer: Liquid

“A substance will take on the shape of an open container if it is a Liquid. Explanation: The major state of matter are solid, liquid and gas. Liquid usually have a definite volume.”

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Which quantity is represented by the area under a force-time graph?
Yanka [14]

Answer:

C momentum change

Explanation:

An impulse results in a change of momentum.

An impulse is a force action over a period of time.

3 0
3 years ago
Pendulum takes 1 second to move from x to y so it's frequency equal ​
lara [203]

if it takes 1 second to move from x to y. You haven't specified if x and y are extreme point or x is extreme and y is equilibrium point

I.If both are extreme points the period is T=1*2=2s

f(frequency)=2π/T(period)

f=6.28/2=3.14Hz

II.If x is an extreme point and y is equilibrium

T=4*1=4s

f=6.28/4=1.57Hz

5 0
2 years ago
Use the accompanying seismogram to answer which of the three types of seismic waves reached the seismograph first.
UkoKoshka [18]

Answer:

Primary waves (P-waves)

Explanation:

Due to excess of the energy inside the earth when the tectonic plates begin to slide or fracture then the energy is released in the form of seismic waves, this causes the earthquake.

<u>Two types of seismic waves are generally responsible for the earth quakes:</u>

  1. body waves
  2. surface waves

Body waves are of two types:

Primary waves (P-waves)

These are the fastest of all the waves involved in the earth-quake which travel at a speed of 1.6 km to 8 km per second.

They can pass trough solids, liquids and gases. They arrive at the surface as an instant thud.

Secondary waves (S-waves)

They can only pass through the solids and they move slower than the P-waves.

As S-waves move, they displace the rock particles, pushing them outwards perpendicular to the wave-path that leads to the earthquake-related first rolling period.

Surface waves (L-waves/ long waves)

  • These waves move along the surface of the earth. They are responsible for the earthquake's carnage.
  • They move up and down the Earth's surface, rocking the foundations of man-made structures.
  • Surface waves are slowest of the three waves, which means that they are the last to arrive. So at the end of an earthquake usually comes the most powerful shaking.
6 0
3 years ago
An atom has 25 protons 30 neutrons and 25 electrons what is the charge of the atom nucleus
Alex17521 [72]
The nucleus is always positive since thats where the protons are located and the neutrons have no charge....
3 0
3 years ago
You drive on Interstate 10 from San Antonio to Houston, half the time at 54 km/h and the other half at 118 km/h. On the way back
Irina-Kira [14]

Answer:

Average speed: 86 km/h

Explanation:

Driving from San Antonio to Houston:

1st. half time: 54km/h

2nd. half time: 118 km/h

Average speed = [tex] \frac{54 \frac{km}{h}+ 118 \frac{km}{h}  }{2}=86 \frac{km}{h} [\tex]

Driving way back:

1st. half time: 54km/h

2nd. half time: 118 km/h

Average speed = [tex] \frac{54 \frac{km}{h}+ 118 \frac{km}{h}  }{2}=86 \frac{km}{h} [\tex]

As in both routes we have the same average speed, then the average speed for the whole trip is 86 km/h

7 0
3 years ago
Read 2 more answers
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