Mathematics, 01.03.2021 17:30 thisbegaby
Johanna carries out an investigation where she uses a motor to lift different
masses. She calculates the amount of energy transferred to a gravitational
potential energy store when the mass moves up and uses an energy meter to
measure the amount of energy transferred electrically by the motor.
а In one trial she calculates that the energy in the gravitational potential
store is 1.2 J. When she uses the motor to lift the mass she finds that the
energy meter gives a reading of 2.3).
Answers: 2
Mathematics, 21.06.2019 13:30
What value is equivalent to 5 + [5 × (4 + 2)]? a) 35 b) 45 c) 60 d) 110
Answers: 2
Mathematics, 22.06.2019 02:00
The poll report includes a table titled, “americans using cash now versus five years ago, by age.” the age intervals are not equal. why do you think the gallup organization chose the age intervals of 23–34, 35–54, and 55+ to display these results?
Answers: 3
Mathematics, 22.06.2019 03:00
Write each rational number in the form a/b, where a and b are integers. 1. 5 1/6 2. -12
Answers: 1
Johanna carries out an investigation where she uses a motor to lift different
masses. She calculate...
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