a mass m slides under the action of gravity inside a frictionless tube which is bent in the shape of a helix of radius a and pitch angle α. 34 kinematics: the description of motion the geometric axis of the helix is vertical. if the mass starts from rest at t = 0 from the point z-0 and φ = 0, find the er, e and ez components of the force exerted by the particle on the helix as a function of time

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.

a. vertically

explanation:

i tried it and took the test

if im wrong then we have different tests