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.

Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear

Which of the following is an example of motion in two dimensions?

Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line