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IPC unit 2 review Flashcards | StudBud
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IPC unit 2 review
IPC unit 2 review
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1
what is the equation for gravitational potential energy
PE=lhg
PE=lhw
PE=mgh
PE= mgl
2
if you have a mass of 80kg and you are 3m high and gravity is 10 what is your potential energy
2000
240
200
2400
3
are molecules in ice moving fast or slow
slow
fast
4
what is the kinectic eenergy from the motion of a 5 kg object moving at 7m/s
122.5
121
42.5
123.5
5
where is the highest kinetic energy
c
a
d
b
6
when a book is moved from a higher shelf to a lower shelf _______ changes
potentile energy
kinetic energy
gravitational potential energy
elastic potential energy
7
where is the highest potential energy
b
a
c
d
8
what class is this
IPC
chemistry
Biology
physics
9
an airconditioner is what kind of thermal energy?
conduction
radiation
convection
thermal
10
what is the formula for kinetic energy?
ke=1/2mv
ke=mv^2
ke=.5m
ke=1/2mv^2
11
according to the _____ the universe total amount of energy does not change
newtons laws
law of conservation of energy
the law of thermo dynamics
the law of kinetic energy
12
what is energy
the process of moving
the ability to cause change
the ability to cause electricity
13
which of the following types energy transfer is primarily responsible for heating the water on an electric stove
conduction
convection
convection and conduction
radiation and convecion
14
what is kinetic energy?
energy that has the mechanics to do work
energy that an object has when moving
energy of an object molecules
energy an object have only when its moving fast
15
the muscle of a runner transform chemical energy into _______ energy
electric
light
thermal
mechanical
16
when light is absorbed it is _____
reflected
gone
refracted
17
what is the thermal energy from someone getting burned by the sun?
conduction
thermal
convection
radiation
18
what is the gravity number
5
10
20
15
19
what are the three kinds of potential energy
elastic
gravitationl
chemical
thermal
20
gravitational potentile energy of an object on earth system will change if_____
the objects tempratue changes
the objects speed changes
the objects mass changes
the objects length
