A box of books weighing 319 N is shoved across the floor by a force of 485 N exerted downward at an angle of 35 degres below the horizontal. a) If the coeficent of friction between the box and the floor is 0.57, how long does it take to move the box 4 meters, starting from rest?b) If If the coeficent of friction between the box and the floor is 0.75, how long does it take to move the box 4 meters, starting from rest?
Answers: 1
Physics, 21.06.2019 17:00, itzia00
Why is alternating current more effective at long–distance travel than direct current? a. the power lines are made out of conductors. b. transformers increase or decrease voltage as needed. c. the ac generator is more efficient. d. ac has lower voltage than dc.
Answers: 1
Physics, 22.06.2019 18:00, NotYourStudent
Which of the following is not a physical property of mattera. melting pointb. heat of combustionc. viscosityd. boiling point
Answers: 1
A box of books weighing 319 N is shoved across the floor by a force of 485 N exerted downward at an...
Social Studies, 05.05.2020 16:22
History, 05.05.2020 16:22
Mathematics, 05.05.2020 16:22
English, 05.05.2020 16:22