You are visiting a friend and you notice the plastic insulation on the chord to their toaster has a crack and the bare copper wire is exposed. Your friend gets a shock when making toast. What can you tell your friend about what happened? What is the specific term for what has happened and what safety feature should/do they have in their home to protect them.

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?

The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.

What can you increase the strength of an electromagnet by