26 ponits for best answer
28
which of the following is not related to the first law of...
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Chemistry, 23.08.2019 09:00 AgarioEdit
26 ponits for best answer
28
which of the following is not related to the first law of motion?
an object in motion stays in motion unless acted on by an outside force.
an object at rest will stay at rest.
an object must overcome inertia to begin moving.
having a heavier mass may increase the force of a moving object.
29
which of the following is not an example of friction?
pouring water off a bridge and watching it turn to small drops by the time it hits the ground.
a wrecking ball swinging towards its target.
a piece of ice dropping into a glass of water that sinks more slowly than it fell through the air.
smoothing an ice rink with a zamboni.
30
what three quantities are involved with the second law of motion?
acceleration, gravity, inertia
acceleration, inertia, force
mass, gravity, acceleration
acceleration, force, mass
31
why do phytoplanktons have projections and form long chains?
to catch more food
to respire oxygen more efficiently
to keep from sinking and capture more light
to evade predators
32
if an object's acceleration is zero, which of these could be true?
it is slowing down
it is stopped
it is not changing its speed
both b and c could be true
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