40 N. If you’re using F=MA MxA would be 10x4 which would get you 40 N
Answer:
The question is missing something it doesn't say how fast down its going and doesn't show the figure sorry for wasting an answer
The image produced is magnified and real.
Answer:
a) There are 100 centimeters in 1 meter.
b) 
Explanation:
a) We have the conversion
1 m = 100 cm
So there are 100 centimeters in 1 meter.
b) 1 inch = 2.54 cm


b) 4m/s/s
This is because you divide the speed you reach, by the time it takes to get to that speed:
12m/s ÷ 3s = 4m/s/s
The units come from what you divide, meters per second ÷ seconds this can be written as m/s/s or ms-²