The answer would be:
Doubling the height will increase the amount of Joules produced.
Four of them pass a point every second.
I cant do all but I can do number 4
When force moves ur leg u start skatin and when that happenes ur using a lot of force to move
Answer:
-6N
Explanation:
The force to the east is acting in the positive x-direction therefore it is positive. The force to the east is in the negative x-direction therefore it is negative. The net force is just the sum of the two so 3-9=-6
The mass of the man is 63 kilograms
There is it written down properly. Its hard to type this stuff in here