Physics, 02.02.2021 22:20 chippicharleschinnu
Vector A has a magnitude of 2.0 cm and points in the positive x direction. Vector B has a magnitude of 2.0 cm and points in a direction 30.0° above the positive x axis. What is the direction of the resultant vector A + B?
Answers: 3
Physics, 22.06.2019 04:30
Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?
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Physics, 22.06.2019 12:50
Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.
Answers: 2
Physics, 22.06.2019 21:00
Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.
Answers: 1
Vector A has a magnitude of 2.0 cm and points in the positive x direction. Vector B has a magnitude...
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