There are some cases where distance time graph of a particle is vertical . So could you please tell me when it is possible????

Answers

Answer 1

Answer: -- If time is the horizontal axis and distance is the vertical axis, then it's not possible
for the particle's distance/time graph to be a vertical line. That would indicate that
the particle covered some distance in zero time, indicating infinite speed.

-- If distance is the horizontal axis and time is the vertical axis, and the particle's
distance/time graph is a vertical line, then that indicates that the particle's distance
doesn't change with time. In other words, the particle is at rest, and its speed is zero.

Answer 2

Answer: when the body is in rest or in constant speed

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A planet moves fastest when it is ___________________ to the Sun and slowest when it is ___________________ from the Sun. Choose one: A. farthest; closest B. at the nearest focus; at the farthest focus C. closest; farthest

Answers

Answer:

option (c) is correct

Explanation:

A planet moves fastest when it is closest to the Sun and slowest when it is farthest from the Sun.

Answer:

fastest when closest to the Sun, slowest when it is farthest

Explanation:

Plato/Edmentum

Which star makes up Orion's knee to your right, or the end of his tunic?A.
Polaris

B.
Sirius

C.
Betelgeuse

D.
Rigel

Answers

Answer:

Betelgeuse and Rigel

Explanation:

100% correct

Sound travels fastest in _____.

Answers

Answer:

Sound travels fastest in solids

Explanation:

Sound is a type of mechanical waves. Mechanical waves are produced by the oscillations of the particles in the medium the wave is travelling through.

The speed of a mechanical wave depends on the density of the medium: the higher the density, the higher the speed. This is because in a medium with higher density, atoms/molecules are closer together, so they collide more frequently and therefore the wave can be transmitted faster and more efficiently.

Since solids have higher density than liquids and gases, this also means that mechanical waves (so, sound as well) travel faster in solids than liquids or gases.

Sound travels fastest in solids,than liquids, and faster in liquids, than in gases.

What Makes enzymes for starch, protein and fat breakdown

Answers

The type of enzyme that are synthesized in an environment where an operon codes for enzymes that synthesize a protein from precursor amino acid molecules are the repressible enzymes. It binds to the operator and blocks attachment of RNA polymerase to the promoter, preventing transcription of the genes.

In a motor dozens or hundreds of wire loops wrapped around a ferromagnetic core is called

Answers

I believe the word you are looking for is called an armature.

The amplitude of a transverse wave on a string is 3.0 cm. The ratio of the maximum particle speed to the speed of the wave is 3.9. What is the wavelength (in cm) of the wave?