Physics, 04.08.2021 16:50 ayoismeisjjjjuan
A truck moving at 36 m/s and a police car moving at 45 m/s in the opposite direction of the truck. If the frequency of the siren relative to the police car is 500 Hz, what is the frequency heard by an observer in the truck as the police car approaches the truck
Answers: 2
Physics, 22.06.2019 13:10, alejandramirand9836
A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)
Answers: 3
Physics, 22.06.2019 22:00, ronalescobar2002
A51 kg woman skis down a hill and her kinetic energy is 9.96e4 j. what is her speed?
Answers: 2
Physics, 22.06.2019 22:30, lakhanir2013
You add 800 ml of water at 20c to 800 ml of water at 80c what is the most likely final temperature of the mixture ? a. 100c b. 60c c. 25 c d.50c
Answers: 1
A truck moving at 36 m/s and a police car moving at 45 m/s in the opposite direction of the truck. I...
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