Physics, 16.04.2020 23:18 greend0719
3. A 420-kg piano slides 3.25 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. Determine: a. The force exerted by the man. (10pts) b. The work done on the piano by the man. (10pts) c. The work done on the piano by the force of gravity. (10pts) d. The net work done on the piano. Ignore friction. (10pts)
Answers: 1
Physics, 22.06.2019 21:00, liddopiink1
Earth's atmosphere is composed of mostly two gases. name the two gases that make up the majority of the atmosphere and use the pie chart to tell the percentages of each.
Answers: 2
Physics, 22.06.2019 23:10, lyssssasantiago9844
Estimate of the number of stars in our galaxy
Answers: 1
3. A 420-kg piano slides 3.25 m down a 30° incline and is kept from accelerating by a man who is pus...
English, 24.07.2021 21:50
Mathematics, 24.07.2021 21:50
English, 24.07.2021 21:50
Mathematics, 24.07.2021 21:50
Mathematics, 24.07.2021 21:50