2000joules
Explanation:
work done=force×meters
Answer:
It is b
The question tells you that the distance was increased 3 times the original distance, which means it was moved 3 times
wavelength = 5600/2480= 2.25m
a
1 kg=100000 cg
2 kg=200000 cq
If mass is the quantity then kg is the S.I
2 kg=2kg
