Answer:
A meteor is B) an icy body with a long tail extending from it.
Explanation:
Meteors are very small dust particles that, when penetrating into the Earth's atmosphere, burn quickly by rubbing with the gases of the same. Some meteors, those with larger dimensions and appreciable weights, are brighter and can describe longer trajectories, showing longer.
In other words, the meteoroids, celestial bodies can vary in size between 100 micrometers up to 50 meters, they collide with the atmosphere of our planet and if the particles are of a small size, upon impact they enter combustion creating a flash, is what we know as meteor or shooting star. Therefore, the meteor is a luminous phenomenon that leaves behind a persistent trail.
So, <u><em>a meteor is B) an icy body with a long tail extending from it.</em></u>
Answer:
Explanation:
since the ball was thrown at 0s and caought again at 5 s. applying eqaution of motion.
0 = u×5 - 
×10×5×5
solving the eqaution we gaet initial velocity u = 25 m/s.
there fore total energy E = ×m×25×25 J
where m is the mass of the ball according to conservation of energy E remains constant
conservation of energy:
kinetic + potential energy of the ball = E
kinetic energy = E - mgh 
1
h = 
applying ot in the eqaytion 1
kinetic energy = e - 
2
Therefore kinetic energy vs height will be a straight line with negative slope and kinetic energy vs time will be parabola that is open upward.
Answer:
there is no momentum
Explanation:
if an object is at rest there is no momentum to build, no speed, no acceleration it does not move unless force is acted upon it.
Answer:
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Explanation:
