You walk 40m to the north. You then turn 60° to your right, so that you are facing 30°north of east, and walk another45 m. How far are you from where you originally started?

c, 1a hope this

when two balls of the different masses are dropped from equal height, they reach the ground at the same time .this is because they experience the same acceleration.

the acceleration is independent of mass.

thus when they are dropped they will always maintain the same velocity and travel the same distance (neglect air resistance of course) at the same time.