Physics, 15.04.2021 19:30 salutemeimchloe
In an experiment for measuring the speed of sound gun was shot 715 m away from the observer. It was heard 2.13 seconds after the flash was seen. What was the speed of sound in air at that time?
Answers: 2
Physics, 22.06.2019 03:30
Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)
Answers: 1
Physics, 22.06.2019 12:00
Explain what happens at the saturation point when adding salt to water at room temperature.
Answers: 3
Physics, 22.06.2019 15:50
Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air
Answers: 3
Physics, 22.06.2019 17:30
Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance
Answers: 3
In an experiment for measuring the speed of sound gun was shot 715 m away from the observer. It was...
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