Over a million students use our free study notes to help them with their homework
First draw a rough diagram of what the question describes. The student must work backwards. To answer, they must know the height of the projectile at the wall. To know the height of the projectile, they n...
Although both are measured in volts, there is a subtle difference in their respective definition. Electromotive Force is the transfer of chemical energy in a battery (multiple single cells) into electrica...
The minus sign shows that the direction of induced current always opposes the change that created it. So when certain metals are cropped through say a copper tube they slow down. Show video of Lenz's ...
Sphere A has mass m and velocity +3v so its initial momentum is 3mv. Sphere B has mass 2m and velocity -v so its initial momentum is -2mv. Therefore we can say:3mv - 2mv = Mcvc, wher...
Conservation Laws are useful because they establish fixed rules that physical interactions must follow, which helps physicists to better understand these processes. In particular, they provide a picture o...
←
59
60
61
62
63
→
Internet Safety
Payment Security
Cyber
Essentials
