Answer:
480
Explanation:
resistance equals to potential difference divide by electric current
120÷0.25
=480
A mirror is opaque you can not see through it but you can see a reflection within it
Answer:
A. 112 J
Explanation:
KE = ½mv² = ½(0.14)40² = 112 J
Answer:
The constriction causes the mercury column to break under tension, leaving a vacuum between the bottom of the column and that in the bulb, and the top of the column stays still at the position reached in the body - a "peak hold" system.
Gravitational potential energy :)
