Physics, 20.08.2019 00:30, teacherpreacher
Brianna weighs 425 n. she climbs a flight of stairs to a height of 8 m. it takes her 6 seconds.
how much work does brianna do when she climbs the stairs?
a.
71 j
b.
2550 j
c.
3400 j
d.
53 j
Answers: 1
Physics, 22.06.2019 07:20, swkgp3cevk
What is the magnitude of the acceleration vector which causes a particle to move from velocity ā5iā2j m/s to ā6i+ 7j m/s in 8 seconds. answer in m/s.
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Physics, 23.06.2019 00:10, Tiredd7838
An astronaut floating in space is trying to use her jetpack to get back to her space station, but she is being pulled away by a nearby planet, as shown in the image below. her jetpack provides a constant thrust of 310 n. if she angles her jetpack in such a way that it cancels out the vertical force due to the planet's gravity, what is her net horizontal force? thaud 487 o a. 54.8 n toward the space station o b. 212.9 n toward the space station o c. 185.2 n toward the space station o d 956 n toward the space station
Answers: 1
Brianna weighs 425 n. she climbs a flight of stairs to a height of 8 m. it takes her 6 seconds.
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