Answer:Magnetic fields are invisible, at least usually. But scientists from NASA's Space Sciences Laboratory have made them visible as "animated photographs," using sound-controlled CGI and 3D compositing.
Explanation:
Complete Question
The complete question is shown on the first uploaded image
Answer:
The value of
and
Explanation:
Considering the diagram,
Taking moment about the pivot , we have

=> 
Generally given that the bar is at equilibrium then the upward forces is equal to the down ward force
So

=> 
=>
Answer:
0-0 what is rhat supposed to mean. i dont think anyone can answer that lol
60*6= 360
So
The car will travel 360 miles in 6 hours
Hope this helps!!
Answer:
D because the molecules become solid so dont move as much 9 A because pressure would build up in the tank
Explanation: