Juan, who is 60 kg, falls from a height of 20 m on a strange planet that has a large
amount of air resistance and a gravity exactly equal to Earth's. When he reaches the
ground, he is traveling 2 m/s.
How efficient was his jump at converting potential into kinetic energy? Your answer will
be a percentage.
Answers: 1
Physics, 22.06.2019 17:00, Gabriel134
Two conductors, a and b, are each in the shape of a tetrahedron. but of different sizes. they are charged in the following manner: 1. tetrahedron a is charged from an electrostatic generator to charge q. 2. tetrahedron a is briefly touched to tetrahedron b. 3. steps 1 and 2 are repeated until the charge on tetrahedron b reaches a maximum value. if the charge on tetrahedron b was q/4 after the first time it touched tetrahedron a. what is the final charge qbmax on tetrahedron b?
Answers: 2
Physics, 22.06.2019 20:00, luceridiaaz
What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?
Answers: 1
Juan, who is 60 kg, falls from a height of 20 m on a strange planet that has a large
amount of air...
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