A 70-kg astronaut is standing still in space. He notices a space-debris with mass of 10-kg flying at him at 8-m/s. Once the astronaut successfully catches the debris, What will be the astronaut's velocity after he catches the debris? PLEASE HELP ASAP I WILL GIVE YOU POINTS

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.

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v

If the new moon happens on january 15th, what shape will it be on february 6th?