Physics, 03.09.2020 07:01, alwaysneedhelp84
Andy took a bus and then walked from his home to downtown.
For the first 1.6 hour, the bus drove at an average speed of 15
km/h. For the next 0.4 hours, he walked at an average speed
of 4.5 km/h. What was the average speed for the whole
journey?
Answers: 2
Physics, 22.06.2019 11:20, leandrogarin37p2g5ds
Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^−2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . the potential difference between the anode and cathode is 260 v . an electron leaves the surface of the cathode with zero initial speed (v initial=0). find its speed vfinal when it strikes the anode.
Answers: 1
Physics, 22.06.2019 20:00, luceridiaaz
What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?
Answers: 1
Andy took a bus and then walked from his home to downtown.
For the first 1.6 hour, the bus drove at...
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