subject
Physics, 05.05.2022 01:00 quanyacoles124

An apple is released from rest 500 m above the ground. Due to the combined forces of air resistance and gravity, it has a speed of 40 m s when it reaches the ground. What percentage of the initial mechanical energy of the apple-earth system was dissipated due to air resistance? take the potential energy of the apple-earth system to be zero when the apple reaches the ground.

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 22:20
Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)
Answers: 1
question
Physics, 22.06.2019 15:50
Which of these metals are magnetic?
Answers: 1
question
Physics, 23.06.2019 02:00
Ideal meters problem. what internal resistance is ideal for a voltmeter? what internal resistance is ideal for an ammeter?
Answers: 2
question
Physics, 23.06.2019 02:00
Frequency of electromagnetic waves that a radio station is assigned. what do you call this type of wave?
Answers: 2
You know the right answer?
An apple is released from rest 500 m above the ground. Due to the combined forces of air resistance...
Questions
question
History, 23.01.2020 19:31
question
Mathematics, 23.01.2020 19:31
question
Mathematics, 23.01.2020 19:31
question
Biology, 23.01.2020 19:31
question
Mathematics, 23.01.2020 19:31
Questions on the website: 13722360