9. A bolt of lightning transfers 28 coulombs of charge through an electric potential difference of 3.2 x 107 volts between a cloud and the ground in 1.5 x 10-3 second. Calculate the average electric current between the cloud and the ground during this transfer of charge

Un jugador de beisbol batea un foul recto en el aire.la pelota deja el bate con una rapidez de 120 km/h. en ausencia de resistencia del aire. ? cual sera la rapidez de la pelota cuando la atrape el catcher

Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.

Smallest intensity of a stimulus that you can detect 50 percent of the time is