Physics, 21.11.2019 17:31 dewayne5599
You are part of a searchand- rescue mission that has been called out to look for a lost explorer. you’ve found the missing explorer, but you're separated from him by a 200- m -high cliff and a 30- m -wide raging river. to save his life, you need to get a 5.6 kg package of emergency supplies across the river. unfortunately, you can't throw the package hard enough to make it across. fortunately, you happen to have a 0.70 kg rocket intended for launching flares. improvising quickly, you attach a sharpened stick to the front of the rocket, so that it will impale itself into the package of supplies, then fire the rocket at ground level toward the supplies. what minimum speed must the rocket have just before impact in order to save the explorer’s life?
Answers: 1
Physics, 22.06.2019 12:00
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
Physics, 22.06.2019 16:00
The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.
Answers: 2
You are part of a searchand- rescue mission that has been called out to look for a lost explorer. yo...
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