Physics, 09.03.2021 02:50, alannalizettep8trnj
Hi, I need all the help. These two examples do not work for me. It's not a task or anything to test, it's not in a hurry, but I'd like to see how to handle it. I apologize for the typos, I use the translator.
A car weighing 1,400 kg is moving around
horizontal road from rest with acceleration
1.6 m ยท s โ2. What is the traction of the car engine,
is the coefficient of shear friction 0.05? How much work does the engine do in 6 seconds of movement?
A locomotive weighing 12 tons moves on a horizontal track at a constant speed
34 km ยท h
โ1. Determine the power of its engine,
if the coefficient of shear friction is between
wheels and rails 0.1.
thank u all!โ
Answers: 2
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