ISCI 2001 Quiz 1

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A freely falling object has an acceleration of 10m/s2. One second later its acceleration will be

10m/s2

consider a freely falling boulder equipped with a speedometer on a planet where the acceleration due to gravity is 20m/s2. In falling freely, its speed reading would increase each second by

20 m/s

a ball tossed straight upward at 40m/s with no air resistance, returns to its starting point with a speed of

40m/s

Ancient Greek investigators discovered

Earths circumference why things float Earth rotates daily

scientist to be arrested for his views was

Galileo

the hang time of an athlete who moves horizontally 2.0 m durring a 1.25 m high jump is

about 1s

science, art, and religion need not contradict one another because

all 3 involve different domains

which has more mass

an automobile battery

having to choose between science and religion is unnecessary

because both operate in different realms

a heavy and light ball are dropped at the same time from a high tower. The ball to reach the ground first, assuming no air resistance will be there

both together

the first to be credited for Earth circling the sun

copernicus

Eratosthenes measurements of earths size involved

deep well in synene pillars shadow in alexandria surveying the distance between alexandria and synene

2 measuments that are necessary for calculating average speed are

distance and time

mass is more fundamental quality than weight because mass

does not depend on gravity does not vary with location

a skydiver who falls at constant velocity is in a state of

dynamic equillibrium

a scientific hypothesis

educated guess

in measuring hang time we assume that the time moving forward upward is

equal to the time coming down

the scientific method is most effective in

gaining, organizing, and applying new knowledge

acceleration is a measure of

how fast how-fast changes change in velocity

the amount of friction acting when 2 blocks slide against each other depends on

how much they are pressed together the "stickiness" of atoms on their surfaces the kinds of material pressed

a crate sliding down an incline at a constant velocity is

in dynamic equillibrium

if an object has no acceleration of any kind, then we can say for certian that its

in mechanical equillibrium

Pseudoscience is a field of

junk science

a kilogram is a measure of

mass

Aristotle asserted that motion was characterized by

natural and violent motion

scientists who falsify experimental results or data are generally provided

no second chance

an object is pulled by 3 forces 200N to the right, 400 N to the right and 300 N to the left. The net force is

none of the above

the equillibrium rule eF=0

objects or systems at rest objects or systems in uniform motion is a straight line

the classic scientific method includes

observing carefully questioning predicting

Among those who charted the stars and planets in ancient....

polynesians chinese arabians

to move a crate across your basement floor friction will be less if you

pull with a rope making an upward angle

aristotles view of natural laws is best understood by

reasoning

when galileo dropped balls from the leaning tower of pisa he

refuted aristotles teachings

a truly educated person is knowledgeable about

science the arts religion

the net force acting on an object is

the combination of all forces acting on it

in the spirit of science, science oriented people must be willing to consider ideas

they dislike

people in general are unlikely to question their

tribe religion fav sports team

which of these is a vector quantity

velocity acceleration force

the concepts of velocity and acceleration are

very different from each other

the person most likely to fool you is

yourself


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