Physics, 20.08.2019 20:30, ilovecatsomuchlolol
Asiren on the top of the police car emits sound at frequency of 823 hz. the car is approaching a bystander on a sidewalk at speed 39.5 m/s. what is the freguency the bystander hears? assume the speed of sound in air to be 340 m/s.
Answers: 3
Physics, 22.06.2019 06:30, kalialee2424
From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.
Answers: 1
Physics, 22.06.2019 20:00, dee6991
Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?
Answers: 1
Physics, 23.06.2019 01:50, eddy3625
An electron moving at 5.06 103 m/s in a 1.23 t magnetic field experiences a magnetic force of 1.40 10-16 n. what angle does the velocity of the electron make with the magnetic field? there are two answers between 0° and 180°. (enter your answers from smallest to largest.)
Answers: 2
Asiren on the top of the police car emits sound at frequency of 823 hz. the car is approaching a bys...
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