PLS I NEED ASAP! 10 PTS!
The power goes out on a very tall building. You cannot remember what floor you are on
so you drop a quarter down the elevator shaft. The quarter takes 8.4 seconds to hit the
bottom (assume the time for the sound to return is negligible and that the quarter
strikes the ground floor). A standard floor is 3.4 m. What floor are you on?
Answers: 3
Physics, 21.06.2019 19:30
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.
Answers: 3
Physics, 22.06.2019 09:30
Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)
Answers: 1
Physics, 22.06.2019 11:50
The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e
Answers: 1
Physics, 23.06.2019 09:30
The focal length of a lens is determined by the curve of the lens and the material that the lens is made from. (5 points) is this true or false? ?
Answers: 2
PLS I NEED ASAP! 10 PTS!
The power goes out on a very tall building. You cannot remember what floor...
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