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Licemer1 [7]
3 years ago
5

Why are asteroids and comets important to our understanding of solar system history?

Physics
1 answer:
Alecsey [184]3 years ago
8 0

Answer:

Explained

Explanation:

It is widely believed among the space scientist that Asteroids and comets are the remains of the material that has formed our solar system. By studying Asteroids and comets can get information pre era of our solar system, because the asteroids came being at the start of the solar system. The chemical composition, the size and the process of formation of proto stellar nebula. The impact of collision of asteroid on Earth lead to the extinction of Dinosaurs. Previously it was believed that water come on Earth because of comets, but later proved that water come into being on Earth because of Asteroids.

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Which answer choice describes the noble gases
Alexxx [7]

Answer:

b

Explanation:

7 0
2 years ago
Suppose the initial kinetic energy and final potential energy in an experiment are both zero. What can you conclude?
Kisachek [45]

Initially, the experiment has only potential energy (since total energy is the sum of kinetic and potential energy). And at the end, the experment has only kinetic energy.

5 0
3 years ago
A tuning fork vibrating at 508 Hz falls from rest and accelerates at 9.80 m/s^2. How far below the point of release is the tunin
JulijaS [17]

Answer:

Explanation:

given,

tuning fork vibration = 508 Hz

accelerates = 9.80 m/s²

speed of sound = 343 m/s

observed frequency = 490 Hz

f_s = f(\dfrac{v}{v-(-v_s)})

f_s = f(\dfrac{v}{v+v_s})

v_s = v[\dfrac{f_s}{f_o}-1]

      = 343[\dfrac{508}{490}-1]

      v_s=12.6 m/s

distance the tunning fork has fallen

y_1=\dfrac{v^2}{2a_y}

     =\dfrac{12.6^2}{2\times 9.8}

     =8.1 m

now, time required for the observed will be

t = \dfrac{8.1}{343} = 0.023 s

now, for the distance calculation

y_2 = u\ t + \dfrac{1}{2}at^2

  = 12.6\times 0.023 +\dfrac{1}{2}\times 9.8 \times 0.023^2

  =0.293 m

total distance

 = 8.1 + 0.293 = 8.392 m

3 0
2 years ago
What is the volume of 45.6 g of silver if the density of silver is 10.5 g/ml?
Leviafan [203]
Volume = mass / density = 45.6/10.5 = .... L
8 0
3 years ago
Read 2 more answers
An object is accelerating at 2m/s^2. What is the net force if the mass is 125kg?
natita [175]

Answer:

250 N

Explanation:

Newton's second law:

∑F = ma

∑F = (125 kg) (2 m/s²)

∑F = 250 N

3 0
3 years ago
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