What is a lunar eclipse?

Physics

2 answers:

motikmotik4 years ago

8 0

Answer: A lunar eclipse is when the Earth casts a shadow on the moon.

Explanation:Eclipses and transference are astronomical circumstances where a celestial body partially or covers the different celestial objects. A solar eclipse happens when the New Moon moves between Earth and the Sun while a lunar eclipse occurs when Earth casts a shadow on the Full Moon.

ser-zykov [4K]4 years ago

5 0

If im not wrong lunar eclipse is when the Earth, moln and sun all line up, leaving the Earth in the middle. You can recheck later.

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Answer:

The ball experiences the greater momentum change

Explanation:

The momentum change of each object is given by:

$\Delta p = m \Delta v= m (v-u)$

where

m is the mass of the object

v is the final velocity

u is the initial velocity

Both objects have same mass m and same initial velocity u. So we have:

- For the ball, the final velocity is

$v=-u$

Since it bounces back (so, opposite direction --> negative sign) with same speed (so, the magnitude of the final velocity is still u). So the change in momentum is

$\Delta p=m(v-u)=m((-u)-u)=-2mu$