Physics, 29.05.2020 23:09 samueltaye
How fast can you set the Earth moving? In particular, when you jump straight up as high as you can, you give the Earth a maximum recoil speed of what order of magnitude? Model the Earth as a perfectly solid object. In your solution, state the physical quantities you take as data and the values you measure or estimate for them.
Answers: 3
Physics, 21.06.2019 16:10
The man fires an 80 g arrow so that it is moving at 80 m/s when it hits and embeds in a 8.0 kg block resting on ice. how far will the block slide on the ice before stopping? a 7.1 n friction force opposes its motion.
Answers: 3
Physics, 22.06.2019 08:50
The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions
Answers: 3
Physics, 22.06.2019 18:30
Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton
Answers: 2
Physics, 22.06.2019 20:00
Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?
Answers: 3
How fast can you set the Earth moving? In particular, when you jump straight up as high as you can,...
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