Physics, 21.07.2019 23:30 maggie123433
If a spaceship of proper length 40 m is measured to have a length 30 m, how fast is it moving?
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Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge
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Physics, 22.06.2019 02:30
Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic
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Physics, 22.06.2019 02:30
The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information
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Physics, 22.06.2019 12:20
Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.
Answers: 2
If a spaceship of proper length 40 m is measured to have a length 30 m, how fast is it moving?...
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