Physics, 03.12.2019 02:31 kookycookiefanx
Alift (elevator) is operated by an electric motor. it descends from the 10th floor to the 2nd floor at a constant speed. what is the main energy transformation during this journey?
#1
gravitational potential energy → kinetic energy.
#2
electrical energy → kinetic energy.
#3
kinetic energy → thermal energy.
#4
electrical energy → thermal energy.
Answers: 2
Physics, 21.06.2019 18:00
Aplane flies directly between two cities, a and b, which are separated by . from a to b, the plane flies into a headwind. on the return trip from b to a, the wind velocity is unchanged. the trip from b to a takes less than the trip from a to b. what is the airspeed of the plane, assuming it is the same in both directions
Answers: 1
Physics, 21.06.2019 20:00
Experiment scenario 2: a biology student wants to conduct a study of how the amount of food affects the weight gain for mice. i have set up four cages with a mouse in each cage. fill in the boxes that would allow the biology student to complete the study correctly
Answers: 1
Physics, 22.06.2019 07:00
Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.
Answers: 3
Alift (elevator) is operated by an electric motor. it descends from the 10th floor to the 2nd floor...
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