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The Moon is very big, and any small object hitting it would have very little effect on its motion around the Earth, because the Moon's own momentum would overwhelm that of the impact. Most asteroid collisions would result in large craters and little else; even the largest asteroid known, Ceres, wouldn't budge the Moon.
Answer:
3894531 coulombs
Explanation:
1 hour = 3600 seconds
Let g = 10m/s2
The distance that the car travel at 25 m/s over an hour is
s = 25 * 3600 = 90000 m
The total mechanical energy of the car is the sum of its kinetic energy to reach 25 m/s, its potential energy to climb up 200m high hill and it work to travel a distance of s = 90000m with F = 500 N force:
![\sum E = E_k + E_p + E_W](https://tex.z-dn.net/?f=%20%5Csum%20E%20%3D%20E_k%20%2B%20E_p%20%2B%20E_W)
![\sum E = mv^2/2 + mgh + Fs](https://tex.z-dn.net/?f=%5Csum%20E%20%3D%20mv%5E2%2F2%20%2B%20mgh%20%2B%20Fs)
![\sum E = 750*25^2/2 + 750*10*200 + 500*90000 = 46734375 J](https://tex.z-dn.net/?f=%5Csum%20E%20%3D%20750%2A25%5E2%2F2%20%2B%20750%2A10%2A200%20%2B%20500%2A90000%20%3D%2046734375%20J)
This energy is drawn from the battery over an hour (3600 seconds), so its power must be
![P = E / t = 46734375/3600 = 12982 W](https://tex.z-dn.net/?f=P%20%3D%20E%20%2F%20t%20%3D%2046734375%2F3600%20%3D%2012982%20W)
The system is 12V so its current is
or 1081.8 Coulombs/s
The the total charge it needs for 1 hour (3600 s) is
C = 1081.8 * 3600 = 3894531 coulombs