Physics, 20.08.2019 12:30 estheradame547
Formula:
acceleration= velocity final-velocity initial/time
1- an airplane starts at rest and accelerates down the runway for 20 s. at the end of the runway, its velocity is 80 m/s north. what is its acceleration?
2- a cyclist starts at rest and accelerates at 0.5 m/s^2 south for 20 s. what is the cyclist's final velocity?
Answers: 2
Physics, 21.06.2019 18:30
A6,600 kg train car moving at +2.0 m/s bumps into and locks together with one of mass 5,400kg moving at -3.0m/s. what is their final velocity? +0.50 m/s -1.0 m/s +2.5 m/s -0.25 m/s
Answers: 3
Physics, 23.06.2019 02:20
Aflute player hears four beats per second when she compares her note to a 523 hz tuning fork (the note c). she can match the frequency of the tuning fork by pulling out the “tuning join” to lengthen her flute slightly. what was her initial frequency?
Answers: 2
Physics, 23.06.2019 08:00
Whenever the net force on a moving object is zero its acceleration is
Answers: 2
Physics, 24.06.2019 01:30
Through how many volts of potential difference must an electron be accelerated to achieve a wavelength of 0.63 nm ? express your answer using two significant figures.
Answers: 3
Formula:
acceleration= velocity final-velocity initial/time
1- an airplane starts at re...
acceleration= velocity final-velocity initial/time
1- an airplane starts at re...
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