If 230 W of power is produced in 10 seconds, how much work is done?

What object a collides with object b and bounces back its final momentum is?

Explain why electric current cannot exist if a current doesn't have a voltage source.

Global climatic patterns are changing because of the melting of polar ice caps. the melting of polar ice caps is an example of the interaction between the atmosphere and cryosphere cryosphere and geosphere hydrosphere and geosphere biosphere and cryosphere