Assuming a density of 3000 kg/m3 and approximating the actual distribution of asteroids and meteoroids as a single 1000-km body
(Ceres), one hundred 100-km bodies, 10 thousand 10-km bodies, and so on, calculate the total mass in the form of 1000-km bodies.
1 answer:
Answer:
Answer:
It is observed that the number of asteroids (or meteoroids) of a given diameter is roughly inversely proportional to the square of the diameter.
Part A
Assuming a density of 3000 kg/m3 and approximating the actual distribution of asteroids and meteoroids as a single 1000-km body (Ceres), one hundred 100-km bodies, 10 thousand 10-kmbodies, and so on, calculate the total mass in the form of 1000-km bodies.
Part B
Calculate the total mass in the form of 100-km bodies.
Part C
Calculate the total mass in the form of 10-km bodies.
Part D
Calculate the total mass in the form of 1-km bodies.
Explanation:
see the attached file
given that density is 3000kg/m³
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Answer:
0.001 s
Explanation:
The force applied on an object is equal to the rate of change of momentum of the object:
where
F is the force applied
is the change in momentum
is the time interval
The change in momentum can be written as
where
m is the mass
v is the final velocity
u is the initial velocity
So the original equation can be written as
In this problem:
m = 5 kg is the mass of the fist
u = 9 m/s is the initial velocity
v = 0 is the final velocity
F = -45,000 N is the force applied (negative because its direction is opposite to the motion)
Therefore, we can re-arrange the equation to solve for the time: