NEGLECTING AIR RESISTANCE, HOW LONG WILL IT TAKE AN OBJECT TO FALL FROM A 100 METER ALTITUDE TO THE GROUND? DO WE NEED T

[answerhappygod]

Neglecting Air Resistance How Long Will It Take An Object To Fall From A 100 Meter Altitude To The Ground Do We Need T 1 (14.39 KiB) Viewed 54 times

Neglecting Air Resistance How Long Will It Take An Object To Fall From A 100 Meter Altitude To The Ground Do We Need T 2 (17.71 KiB) Viewed 54 times

Neglecting Air Resistance How Long Will It Take An Object To Fall From A 100 Meter Altitude To The Ground Do We Need T 3 (25.52 KiB) Viewed 54 times

NEGLECTING AIR RESISTANCE, HOW LONG WILL IT TAKE AN OBJECT TO FALL FROM A 100 METER ALTITUDE TO THE GROUND? DO WE NEED TO SPECIFY ITS MASS?
IF THE OBJECT IN THE VERTICAL MOTION PROBLEM IS PUSHED HORIZONTALLY OFF ITS 100 METER HEIGHT PLATFORM WITH A HORIZONTAL SPEED OF 10 M/S, HOW FAR FROM THE BASE OF THE PLATFORM WILL IT LAND?
IF A 10 KG OBJECT MOVES IN CIRCULAR PATH OF 10 M RADIUS WITH TAPE MEASURE VELOCITY 10 M/S WHAT IS ITS ACCELERATION TORWADS THE CIRCLE CENTER? a=v^2/r f=ma WHAT IS THE FORCE NEEDED TO KEEP IT IN ITS PATH?