3 years ago

Describe the two types of comet tails and how each are formed.

Physics

1 answer:

sesenic [268]3 years ago

6 0

There are two main types of cometary tails: the ion and dust tail.

NOTE: you can use quizlet, is helps out a lot

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A cannon fires a 40.5kg shell toward a target and the shell moves with a velocity of 120 m/s. Calculate the shells momentum

kvv77 [185]

Answer:

4860 kg m/s

Explanation:

P = mv

P = 40.5 x 120

P = 4860 kg m/s

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2 years ago

To measure the height of a building without a ruler or tape measure, an engineer drops a rock off the top of the building and fi

serg [7]

The relevant equation we can use in this problem is:

h = v0 t + 0.5 g t^2

where h is height, v0 is initial velocity, t is time, g is gravity

Since it was stated that the rock was drop, so it was free fall and v0 = 0, therefore:

h = 0 + 0.5 * 9.81 m/s^2 * (4.9 s)^2

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3 years ago

Which wave, A or B, has higher energy?

eduard

Answer:

Wave A.

Explanation:

The energy of a wave is directly proportional to the square of the amplitude.

If a wave has higher amplitude, it will have more energy. On the other hand, a wave having lower amplitude, it will have less eenergy.

In this case, we need to tell which wave has higher energy. Hence, the correct option is A because it has a higher amplitude.

8 0

2 years ago

Read 2 more answers

Which of the following is a heterogeneous mixture .

lianna [129]

Answer:

chicken noodle soup

Explanation:

Heterogenous mixture is the mixture where you can see differnt parts of it, hence "hetero".

you can see chicken, noodles, and broth in chicken noodle soup

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2 years ago

Describe what it means to view something from a frame of reference.Give an example to illustrate your explanation.

Roman55 [17]

like just try and try you gut it just trust me I'm a Wuman and you a man

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2 years ago