Physics, 19.01.2021 19:20 allisonmareesanders2
Suppose that, while lying on a beach near the equator watching the Sun set over a calm ocean. you start a stopwatch just as the top of the Sun disappears. You then stand, elevating your eyes by a height H=1.70 m, and stop the watch when the top of the Sun again disappears. If the elapsed time is t=11.1 s, what is the radius r of Earth?
Answers: 1
Physics, 22.06.2019 05:30
The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .
Answers: 3
Physics, 22.06.2019 10:30
Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?
Answers: 2
Physics, 22.06.2019 23:00
Determine the force the sun exerts on an object with a mass of 80.0 kg if that object is on the earth. what is the force exerted by the moon on the same object? what is the force the earth exerts on it?
Answers: 1
Suppose that, while lying on a beach near the equator watching the Sun set over a calm ocean. you st...
English, 31.10.2019 21:31
Mathematics, 31.10.2019 21:31
Mathematics, 31.10.2019 21:31
Biology, 31.10.2019 21:31
Mathematics, 31.10.2019 21:31
Computers and Technology, 31.10.2019 21:31