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Novosadov [1.4K]
4 years ago
11

What scientific instruments are used to measure volume? This is for a project! PLEASE don't put useless answers!

Physics
1 answer:
elena55 [62]4 years ago
6 0
One instrument for this is a graduated cylinder. it's most accurately used to measure the volume of small irregular objects
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1. A rocket is launched straight up into the air. If its entire flight takes 5 seconds....
pashok25 [27]

Answer:

1)49m/s

2)122.5m

Explanation:

The expression below can be use to calculate the initial velocity from law of motion

V2 - V1= at

Where V2= final velocity

V1= initial velocity( from rest)

a=acceleration

t= time= 5 seconds

But V2=0

V1=gt

Where g= acceleration due to gravity= 9.8m/s^2

V1= 9.8×5

V1=49m/s

Then we can now calculate the maximum height the rocket reaches by using below formula

V^2=2gh

h(max)=v^2/2g

Where h= maximum height

V2= initial velocity

=49^2/(2×9.8)

=2401/19.6

=122.5m

Hence the maximum height it reaches vis 122.5m

8 0
3 years ago
Which property is common to spiral galaxies? open clusters in the halo. globular clusters in the nucleus. on-going star formatio
kodGreya [7K]
A common characteristic among the spiral galaxies is that globular clusters are usually located in the nucleus. By definition, a spiral galaxy is a type of galaxy wherein huge concentrations of cosmic cloud and gas are located in its spiral arms. Our very own Milky Way is a spiral galaxy itself, and the solar system is located at the Sagittarius Arm.
7 0
3 years ago
Consider (a) an electron (b) a photon, and (c) a proton, all moving in vacuum. Choose all correct answers for each question. (iv
DiKsa [7]

Electron, photon and proton carry momentum .

  • De Broglie derived the relationship between the wavelength and momentum of matter. This relationship is known as de Broglie's relationship.
  • De Broglie's relationship is given by \lambda=\frac{h}{mv}   ...(1)
  • Momentum is the product of the mass of a particle and its velocity. Momentum is a vector quantity; i.e., it has both magnitude and direction.

Equation (1) can be written as   \lambda=\frac{h}{p}   where λ  is known as de Broglie wavelength and p is momentum , h = Plank’s constant

For photon , the momentum is given by   p=\frac{E}{c}   ...(2)  where c is the speed is the speed of light .

From equation (1) and (2) we can conclude that electron, photon and proton carry momentum .

Learn about more photon momentum here :

brainly.com/question/13112527

#SPJ4

4 0
2 years ago
Answer both Part A and B below. A. Does a ball have a positive or negative acceleration when thrown? B. In 1-2 complete sentence
BartSMP [9]

Answer:Yes a ball has positive acceleration when thrown

Explanation: This is because when u throw a ball the ball keeps moving when it’s in the air

I hope this helps!! Not fully confident in my answer though

4 0
4 years ago
How are humidity and precipitation related?
german

Answer:

Relative humidity depends on the amount moisture actually in the air at some temperature to the amount of moisture that the air can hold.

For instance, at 25 deg C the air has a saturation pressure of 23.76 mm of Hg.

That means that if at that temperature the pressure of the water vapor in the air reaches 23.76 mm Hg then the air is 100% saturated.

I believe the standard air pressure at 25 deg C is 760 mm Hg.

Now if the pressure of the water vapor in the air is 1/2 * 23.76 = 11.88 mm then the air is 50% saturated and the relative hunidity is 50 %.

At 100% relative humidity rain occurs (the air can't hold any more water).

7 0
3 years ago
Read 2 more answers
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