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Sedaia [141]
4 years ago
15

An astronomer wants to visualize the relative distances between planets in our solar system. A biologist wants to examine the br

anching of blood vessels within the body. A chemist wants to see the angles between bonds in a molecule. A geologist wants to view the layers of the Earth from core to crust.
What is the best method that all of these different scientists could use to perform their investigations?

A. perform a field study
B. create a controlled laboratory experiment
C. build a model
D. all of these
Physics
2 answers:
Svetradugi [14.3K]4 years ago
6 0

Answer:

B it builds a model

Explanation:

its on study island

ArbitrLikvidat [17]4 years ago
6 0

Answer: C. build a model

Explanation:

Build a model is the correct method so as to perform the investigation as the model can be used to simulate the astronomical, biological, chemical and geological natural processes occurring in nature. The model can give an idea about the cause of a natural phenomena. It can be used to mention the distance between the two separate bodies, morphological features of body of living organisms, the angles between the bonds of the molecules, it can also be used to describe the layers of the earth from core to crust.

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If a car has a mass of 1,000 kilograms, and a velocity of 35 m/s. What is its momentum?
fenix001 [56]

\vec{p}=m\vec{v}\\p = 1000 * 35=35000[\frac{kg*m}{s}]

7 0
3 years ago
What is the value of a in the function’s equation?
Dennis_Churaev [7]

Answer:

Explanation:

What is the value of a in the function's equation?

A. -2

B. -3

C. 3

D. 2

ANSWER: c.

6 0
2 years ago
A marble rolls off a tabletop 1.15 m high and hits the floor at a point 4 m away from the tables edge in the
GREYUIT [131]

A marble rolls off a tabletop 1.15 m high and hits the floor at a point 4 m away from the edge of the table in the horizontal direction,

  • t= 0.45 seconds.
  • V=2.22m/s
  • VT=4.95 m/s

This is further explained below.

<h3>What is its speed when it hits the floor...?</h3>

Generally, the equation for motion is mathematically given as

S= ut + 0.5at²

Therefore

y = Voy t + 0.5gt^2

1 = 0.5x 98 x 6²

1=4.9t^2

t=\sqrt{0.2041 }

t= 0.45 seconds.

b) Horizontal motions are uniform.

V=Horizontal displacement/time

V=1/0.45

V=2.22m/s

C)

Vx: 2.22 m/s At bottom,

Vy² = Voy² + 2as

Vy² = 2x95x1

Vy² = 19.6

Total velocity

VT=\sqrt{( 2.22 m/)^2+19.6}

VT=4.95 m/s

Read more about  Arithmetic

brainly.com/question/22568180

#SPJ1

4 0
2 years ago
Someone please help me
bagirrra123 [75]
Oxygen. Plants need water sunlight and CO2 to make their food. They get the carbon and the energy from the CO2 and the sun, and they need water as well. Then they release oxygen
3 0
3 years ago
Which of the following is a conversion of potential to kinetic energy?
ruslelena [56]
Its either releasing a stretch rubber band and a ball rolling down a hill because rubber have a potential to move when its stretch and its an eleastic potential energy also a ball rolling down a hill is a gravitational to kinetic energy because the ball started at rest which is art the top of the hill and it has a potential to fall. Once its started rolling its energy transfer into kinetic energy.
Hope this helps
4 0
4 years ago
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