¤While jumping for a bird your cat falls off your apartment building 45 meters high (but lands in a soft pile of marshmallows of course). ¤1) How long did it take to fall? ¤2) How fast is he going when he reaches the bottom?
I dont remember which formulas were used for how long something falls and for speed.
I dont remember which formulas were used for how long something falls and for speed.
1 Answer
Mar 16, 2017
A....pile of marshmallows....!
Explanation:
I would suppose the vertical (downwards) initial velocity of the cat equal to zero (
where
we get:
This will be the velocity of "impact" of the cat.
Next we can use:
where