Which has more air resistance: a flat sheet of paper or a paper airplane?
(2 points)
Responses
a sheet of paper because it has more surface area
a sheet of paper because it has more surface area
a paper airplane because it has a less surface area
a sheet of paper because it has more surface area
A shoe and a shirt are released from the same height. They take different amounts of time to fall to the ground. How can this be explained?(2 points)
Responses
The masses of the two objects are the same, but they are affected differently by air resistance.
The masses of the two objects are the same, but they are affected differently by air resistance.
The difference in weight doesn't affect the time, but they are affected differently by air resistance.
The masses of the two objects are the same, but they are affected differently by air resistance.
A hammer and a feather are dropped from the same height by an astronaut on a planet without air. How will their falls compare?(2 points)
Responses
The hammer will fall faster because gravity is pulling it down with a greater force than it is pulling the feather.
The hammer will fall faster because gravity is pulling it down with a greater force than it is pulling the feather.
The objects will fall at the same time because gravity will have the same affect on them.