Physics, 16.11.2019 20:31 leianagaming
v. lighting is seen 3 seconds before a thunder. how far away has the thunder taken place? take
velocity of sound = 340m/s
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What term do psychologists use to designate our personal awareness of feelings, sensations, and thoughts?
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70 give a real life example showing how sensory neurons work with the motor neurons
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Physics, 22.06.2019 21:40
Ahair dryer is basically a duct in which a few layers of electric resistors are placed. a small fan pulls the air in and forces it through the resistors where it is heated. air enters a 1200 w hair dryer at 100 kpa and 22°c and leaves at 47°c. the cross-sectional area of the hair dryer at the exit is 60 cm2. neglecting the power consumed by the fan and the heat losses through the walls of the hair dryer, determine (a) the volume flow rate of air at the inlet and (b) the velocity of the air at the exit.
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Physics, 22.06.2019 22:30
Asailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at 2.5m/s2 for 4s. after the wind stops, the sailboat is traveling to the left with a velocity of 3.0m/s.assuming the acceleration from the wind is constant, what was the initial velocity of the sailboat before the gust of wind? answer using a coordinate system where rightward is positive.
Answers: 1
v. lighting is seen 3 seconds before a thunder. how far away has the thunder taken place? take
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