You wake up one morning to find yourself in a strange room with
opaque walls, and no visible doors or windows. You decide to do
some experiments to find out more about your strange situation.
Your own body mass is 79.5 kg. You pick up an object and drop it
from rest, starting at a height of 1.62 meters above the floor, and
it hits the floor 0.345 seconds later. You can ignore air
resistance. Based on the outcome of this experiment, when you step
on the scale provided for you, what weight will it register for
your body?
2,164 N
779.9 N
1,082 N
1,443 N
The NEXT morning, you wake up in a strange room yet again, and
this time you drop a ball from a height of 2.19 m above the floor.
The ball hits the floor 0.401 s after your drop it. You guess that
you must have been taken to an alien planet with gravity different
from Earth s. What is this planet s g (that is, the magnitude of
the acceleration due to gravity on this planet)?
13.6 m/s^2
20.4 m/s^2
51.7 m/s^2
27.2 m/s^2
You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors or windows. You decid
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