Physics, 20.09.2019 02:00 lcoronilla96
The speed of sound is 344m/s when the air is 20 degrees c. how far away is the source of sound if it takes 8 seconds for the sound to reach you?
Answers: 3
Physics, 21.06.2019 14:40
An implanted pacemaker supplies the heart with 72 pulses per minute, each pulse providing 6.0 v for 0.65 ms. the resistance of the heart muscle between the pacemaker’s electrodes is 550 ω. find (a) the current that flows during a pulse, (b) the energy delivered in one pulse, and (c) the average power supplied by the pacemaker.
Answers: 3
Physics, 22.06.2019 09:50
Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.
Answers: 1
Physics, 22.06.2019 11:00
Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?
Answers: 3
Physics, 22.06.2019 14:00
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
Answers: 1
The speed of sound is 344m/s when the air is 20 degrees c. how far away is the source of sound if it...
Biology, 25.01.2021 23:00
Mathematics, 25.01.2021 23:00
Mathematics, 25.01.2021 23:00
Mathematics, 25.01.2021 23:00
Mathematics, 25.01.2021 23:00
Mathematics, 25.01.2021 23:00
Mathematics, 25.01.2021 23:00
Mathematics, 25.01.2021 23:00
Mathematics, 25.01.2021 23:00
Mathematics, 25.01.2021 23:00
History, 25.01.2021 23:00
Computers and Technology, 25.01.2021 23:00