Physics, 23.09.2019 22:00 emilysawyer4363
Apainter sits on a scaffold that is connected to a rope passing over a pulley. the other end of the rope rests in the hands of the painter who wants to lift the scaffold. she plans to pull downward on the loose end of the rope, thinking that the scaffold will then rise vertically with her along for the ride. the scaffold has a mass of 52 kg, and her mass is 63 kg. the painter pulls downward on the rope with a force of 600.0 n, while she and the scaffold are hanging from the other end above the ground. (a) what is the net acceleration on the system consisting of the painter and the scaffold
Answers: 2
Physics, 22.06.2019 16:00
Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.
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
Apainter sits on a scaffold that is connected to a rope passing over a pulley. the other end of the...
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