Solve the following problems without calculation, only by reasoning:
If we have two identical cars with different engine powers. The first has a maximum power of 100 kW and the second has a maximum power of 180 kW. Which of them can accelerate faster from 0 to 100 
?
If we have two cranes at a construction site. The first lifts a load of 2 tons while the second lifts a load of 3 tons. Which of the cranes will lift the load to the top of the building faster if they work with the same power?
Two machines can do the same job. The first machine does the job in 3 hours and the second machine does the same job in 4 hours. Which machine works with more power?
