Chapter 4 Question Preview (ID: 26643)
Conceptual Physical Science.
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baseed on the inverse square law if a spray paint covers a 2X2 area what is the thickness compared to a 1X1 area?
a) 2
b) 1/2
c) 4
d) 1/4
what is the thickness of a layer of spray paint on a 3X3 area compared to a 1X1 area?
a) 1/9
b) 9
c) 3
d) 1/3
if two planets double in mass what happens to its gravitational pull
a) doubles
b) half
c) quadruples
d) quarters
if one planet triples its mass and one stays the same how much does gravity increase by?
a) 1/3
b) 3
c) 9
d) 1/9
if you throw a ball, how far will it fall in 1 second?
a) 5m
b) 1m
c) 10m
d) 15m
if you throw a ball, how far will it fall after 2 seconds?
a) 5m
b) 10m
c) 15m
d) 20m
After a ball is thrown the acceleration of gravity pulls is
a) down
b) up
c) horizontal
d)
when you are pulled up in an elevator, your relative weight is
a) less than your normal
b) greater than your normal
c) equal to your normal
d) zero
when going down in an elevator your relative weight is
a) greater than your normal
b) less than your normal
c) equalto your normal
d) zero
if the elevator breaks and you are in free fall what is your weight relative to your normal weight
a) greather than your normal
b) less than your normal
c) equal to your normal
d) zero
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