Aperson, with his ear to the ground, sees a huge stone strike the concrete pavement. a moment later two sounds are heard from the impact: one travels in the air and the other in the concrete, and they are 0.65 s apart. the speed of sound in air is 343 m/s, and in concrete is 3000 m/s.
Answers: 2
Another question on Physics
Physics, 22.06.2019 23:00
Astronomers studying the planet of rhombus have detected sedimentary rock on its surface. one astronomer wonders if material in this sedimentary rock used to be in igneous rock deep in rhombus’s interior. can igneous rock become sedimentary rock? explain your answer.
Answers: 1
Physics, 22.06.2019 23:00
Amother used 150 watts of power to raise a 15 newton object in a time interval of 8.0 seconds. through what vertical distance was the object raised ?
Answers: 1
Physics, 23.06.2019 00:30
Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.
Answers: 1
Physics, 23.06.2019 05:00
Which of the following is a transformer used for? alternate a voltage produce a voltage increase or decrease a voltage eliminate a voltage
Answers: 1
You know the right answer?
Aperson, with his ear to the ground, sees a huge stone strike the concrete pavement. a moment later...
Questions
Computers and Technology, 05.06.2020 22:02
Physics, 05.06.2020 22:02
Mathematics, 05.06.2020 22:02
Mathematics, 05.06.2020 22:02
Social Studies, 05.06.2020 22:02
Biology, 05.06.2020 22:02
Health, 05.06.2020 22:02
Chemistry, 05.06.2020 22:02
Mathematics, 05.06.2020 22:02
Chemistry, 05.06.2020 22:02
Spanish, 05.06.2020 22:02
Mathematics, 05.06.2020 22:02
Health, 05.06.2020 22:02
English, 05.06.2020 22:02
