Physics, 21.09.2019 07:00 cashkidd2200
Substances can undergo physical changes or chemical changes. what is the difference between these two kinds of changes
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Physics, 21.06.2019 17:00
If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction
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Physics, 22.06.2019 03:50
Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
Answers: 1
Physics, 22.06.2019 06:00
(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.
Answers: 1
Substances can undergo physical changes or chemical changes. what is the difference between these tw...
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