Physics, 19.10.2021 08:50, ashtonbillups
A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter. An 830-kg helicopter rises from rest to a speed of 9.5 m/s in a time of 3.0 s. During this time it climbs to a height of 8.0 m. What is the average power generated by the lifting force
Answers: 1
Physics, 22.06.2019 19:40, cordovatierra16
Two charged particles, q1 and q2, are located on the x-axis, with q1 at the origin and q2 initially at x1 = 12.2 mm. in this configuration, q1 exerts a repulsive force of 2.62 µn on q2. particle q2 is then moved to x2 = 18.0 mm. what is the force (magnitude and direction) that q2 exerts on q1 at this new location? (give the magnitude in µn.)
Answers: 1
Physics, 23.06.2019 09:30, jonathanjenkins701
The vector a? is 3.50 cm long and is directed into this page. vector b? points from the lower-right corner of this page to the upper-left corner of this page and has the components bx=-19.5 cm , by=25 cm. in the right-handed coordinate system, where the +x-axis directed to the right, the +y-axis toward the top of the page, and +z-axis out of the page, find the x-component of the vector product a? ×b? , measured in cm2.
Answers: 1
A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting f...
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