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stiv31 [10]
2 years ago
13

what material can be stored in a container but can also flow from one container to another and it forms powder after some time​

Physics
1 answer:
Greeley [361]2 years ago
4 0

Answer:

I think it is gas.

PLEASE MARK ME BRAINLIEST

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A mass m = 75 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with radius R = 19.2 m and finally
dalvyx [7]

Answer:

The velocity is 19.39 m/s

Solution:

As per the question:

Mass, m = 75 kg

Radius, R = 19.2 m

Now,

When the mass is at the top position in the loop, then the necessary centrifugal force is to keep the mass on the path is provided by the gravitational force acting downwards.

F_{C} = F_{G}

\frac{mv^{2}}{R} = mg

where

v = velocity

g = acceleration due to gravity

v = \sqrt{2gR} = \sqrt{2\times 9.8\times 19.2} = 19.39\ m/s

4 0
2 years ago
Where is most of the energy from incoming waves focused?
zavuch27 [327]
I'd say B since headland since whenever there's a crash wave, headland receives most of the impact
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2 years ago
Caculate the total charge transferred through a wire carrying a current of 0.5 Ameter for a period of 20 seconds.
Marina CMI [18]

charge = current x time = 0.5x 20=10Coulombs

5 0
3 years ago
One observer stands on a train moving at a constant speed, and one observer stands at rest on the ground. The person on the trai
Anna11 [10]

Answer:

Option D.

Value cannot be calculated without knowing the speed of the train

Explanation:

The speed of the beam can only be calculated accurately when the speed of the train is put into consideration. Based of the theory of relativity, the observer is on the ground, and the train is moving with the beam of light inside it. This causes a variation in the reference frames when making judgements of the speed of the beam. The speed of the beam will be more accurate if the observer is moving at the same sped of the train, or the train is stationary.

To get the correct answer, we have to subtract the speed of the train from the speed calculated.

4 0
2 years ago
A car travels at a constant velocity of 40 m/s for 5.0 s, determine its displacement during this 5.0 s.
zimovet [89]

Answer:200 m

Explanation:

V=40m/s

T=5 s

Displacement=v*t

40*5=200

3 0
3 years ago
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