Physics, 06.10.2019 01:30 campbellcameca
A200-m-wide river has a uniform flow speed of 1.1 m/s through a jungle and toward the east. an explorer wishes to leave a small clearing on the south bank and cross the river in a powerboat that moves at a constant speed of 4.0 m/s with respect to the water. there is a clearing on the north bank 82 m upstream from a point directly opposite the clearing on the south bank. (a) in what direc- tion must the boat be pointed in order to travel in a straight line and land in the clearing on the north bank? (b) how long will the boat take to cross the river and land in the clearing?
Answers: 1
Physics, 21.06.2019 23:00
Asubmarine has a "crush depth" (that is, the depth at which water pressure will crush the submarine) of 250 m. what is the approximate pressure (water plus atmospheric) at this depth? (recall that the density of seawater is 1025 kg/m3, g = 9.81 m/s2, and 1 kg/(ms2) = 1 pa = 9.8692 10-6 atm.) a. 34.8 atm b. 24.8 atm c. 25.8 atm d. 7.8 atm
Answers: 2
Physics, 22.06.2019 22:10
Astep up transformer has 250 turns on its primary and 500 turns on it secondary. when the primary is connected to a 200 v and the secondary is connected to a floodlight that draws 5a, what is the power output? show all of your work.
Answers: 1
Physics, 23.06.2019 00:20
The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 × 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g
Answers: 2
A200-m-wide river has a uniform flow speed of 1.1 m/s through a jungle and toward the east. an explo...
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