Answer:
<em>The distance covered by comet is </em>
Explanation:
Speed is defined as the rate of change of distance with time. It is given by the equation speed= 
Thus distance= 
In this problem it is given that speed of comet= 
time travelled by the comet= 4 hours
Thus distance= 
= 
= 
Answer:
so 9/3=3 current is 3 amperes
Explanation:
C. Magnetic draws certain types of metal together.
Pretty sure it’s halogens , or groups 14-17