Answer:
electrons are NEGATIVE not POSITIVE ionic bond
Explanation:
The condition that would induced the seer or observer to see that the pet hamster is moving at 5 m/s is when the train is also moving at that speed. This is because the unicycle will only allow limited vision to the seer thinking that the pet hamster is not moving at that speed.
The right answer is D, the aplitude of summaric wave.
A=(v2-v1)/t
v2=0,6m/s
v1=2,4m/s
t=4s
a=(0,6-2,4)/4=-1,8/4=-0,45 m/s^2
7) c
opposite charges attract, equal charges repell
8) c
Followed from equation
9) d
Same reason as under 7
