Physics, 31.10.2019 02:31 tshegofatso92
A60-kg person rides down an icy hill of 20° slope while standing on a 3.0-kg flat-bottomed bathroom scale. assume there is no frictional force between the bottom of the scale and the hill. the static friction force the scale exerts on the person is
a) 201 n
b) 553 n
c) 580 n
d) on
e) 211 n
Answers: 3
Physics, 22.06.2019 07:30
Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories
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Physics, 22.06.2019 10:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
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Physics, 22.06.2019 15:20
What component of earth’s atmosphere exists entirely as a result of photosynthesis?
Answers: 2
A60-kg person rides down an icy hill of 20° slope while standing on a 3.0-kg flat-bottomed bathroom...
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