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Physics, 22.06.2019 11:30, lezapancakes13
Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
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Physics, 22.06.2019 19:30, sierranowe2003
Juliette sets the initial velocity to +10 m/s, the acceleration to zero, and clicks “start.” how can shakina describe the subsequent motion of the car juliette controls?
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Physics, 23.06.2019 02:20, MathWizz5104
Ahole in the ground in the shape of an inverted cone is 14 meters deep and has radius at the top of 11 meters. the cone is filled to the top with sawdust. the density of the sawdust depends upon the depth, x, following the formula ρ ( x ) = 2.5 + 1.2 e − 0.7 x kg/m3. find the total mass of sawdust in the conical hole.
Answers: 1
Physics, 23.06.2019 03:10, stotherow5
You have been hired to design a spring-launched roller coaster thatwill carry two passengers per car. the car goes up a 10-m highhill, then descends 15m to the track's lowest point. you'vedetermined that the spring can be compressed a maximum o 2.0m andthat a loaded car will have a maximum mass of 400kg. for safetyreasons, the spring constant should be 10% larger than the minimumneeded for the car to just make it over the top. a) what spring constant (k) should you specify ? b) what is the maximum speed of a 350 kg car if the spring iscompressed the full amount.
Answers: 2
What is the acceleration of someone who reached a top speed of 31.4 ft/s in 1.2 s? they started fro...
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