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Ket [755]
3 years ago
13

Can anyone help me with this??? Anyone familiar with this sorta project??

Physics
1 answer:
SIZIF [17.4K]3 years ago
7 0

yah set up an experiment do u have the rocks with u?


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Earth-orbiting astronauts feel weightless in space because _____. Choose all that apply. 1 point They are in free-fall motion. T
STALIN [3.7K]

Answer:

They are in free-fall motion.

Explanation:

The Earth orbiting astronauts are falling at an acceleration that is the same or greater than the acceleration due to gravity i.e., 9.81 m/s². If you are continuously falling at this rate then you will feel weightless.

This same effect is felt while going down in an elevator. When you down in an elevator you feel that you are lighter and feel that something is pushing you up. Earth-orbiting astronauts feel the same effect but the accelration is greater hence they feel weightless.

5 0
3 years ago
What is Plancks Constant? Need it ASAP
Fantom [35]

Answer:

The Planck constant, or Planck's constant, is a fundamental physical constant denoted h, and is of fundamental importance in quantum mechanics. A photon's energy is equal to its frequency multiplied by the Planck constant. Due to mass–energy equivalence, the Planck constant also relates mass to frequency.

<h3>Theory:</h3>

Planck postulated that the energy of light is proportional to the frequency, and the constant that relates them is known as Planck's constant (h). His work led to Albert Einstein determining that light exists in discrete quanta of energy, or photons.

E = hf

\sf \: h = 6.626 \times  {10}^{ - 34}  \: kg \:  {m}^{2}  {s}^{ - 1}

8 0
3 years ago
The car's motor transfers
Elanso [62]

Answer:

chemical potential

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thermal

3 0
3 years ago
an object with a mass of 5kg is moving with an initial velocity of 20m/s.the object accelerates at a rate of 15m/s/s for 8s.what
Alinara [238K]

It doesn't matter what the object's initial velocity is, or how long
the acceleration lasts.  All that matters is the object's mass and
acceleration.

Force = (mass) x (acceleration) =

                (5kg) x (15 m/s²) =

                         75 kg-m/s² = <em>75 newtons .</em>


5 0
3 years ago
The position-time graph describes the motion of a moving object. Describe the motion represented by each segment of the graph.
Marrrta [24]

Answer:

to much sorry.

Explanation:

3 0
3 years ago
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