Answer:

Explanation:
The minimum total work is the work needed to counteract the work associated with the weight:




Radiation that comes from the sun is being beemed at earth atmosphere
Answer:
D all of the above
Explanation:
electricity moves easily through all of them and none of them prevent the flow of electricity
Answer:
3000N
Explanation:
divided to get answer
the force needed to accelerate the 1000kg car by 3m/s2 is 3000N