A mass (10 kg) slides
down to the left on an
inclined 30° surface
with coefficient of f...
Physics, 22.02.2021 14:00, 23espinosajose
A mass (10 kg) slides
down to the left on an
inclined 30° surface
with coefficient of friction
Ulkinetic=0.2. It is connected
over a pulley to a hanging
5 kg mass by a massless
stretch-free cord. What is
the acceleration up the plane
of the mass on the plane? (Work needed)
Answers: 3
Physics, 23.06.2019 02:30, Braxtonw875
Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?
Answers: 1
Physics, 23.06.2019 03:00, kayla6653
Suppose the house in question 3 is located in cleveland where the annual average solar flux is 160 w/m2 . if 10 m2 of solar panels operating at 20 percent efficiency were installed on this house to collect and store solar energy in the form of hot water:
Answers: 2
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