An airplane taxis on the runway with a speed of 44m/s, a flight attendant walks toward the tail of the plane with a speed of 2.3m/s. What is the flight attendant's
speed relative to the ground?

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.

Which subatomic particle has a negative charge

Select the correct answer. what does the process of natural selection involve?