subject
Chemistry, 05.05.2020 20:09 HNesmith16

Diana raises a 1000. N piano a distance of 5.00 m using a set of pulleys. She pulls
in 20.0 m of rope. a) How much effort force did Diana apply if this was an ideal
machine? b) What force was used to overcome friction if the actual effort force
was 300. N? c) What was the work output? d) What was the ideal mechanical
advantage? e) What was the actual mechanical advantage, if the input force was
300N? +

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 19:30
Describe the forces both attractive and repulsive that occur as two atoms move closer together.
Answers: 1
question
Chemistry, 22.06.2019 21:30
Under which circumstances are kp and kc equal for the reaction aa(g)+bb(g)⇌cc(g)+dd(g)?
Answers: 2
question
Chemistry, 22.06.2019 22:30
Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.
Answers: 1
question
Chemistry, 23.06.2019 07:00
An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o
Answers: 2
You know the right answer?
Diana raises a 1000. N piano a distance of 5.00 m using a set of pulleys. She pulls
in 20.0 m...
Questions
question
Mathematics, 16.10.2020 21:01
question
Mathematics, 16.10.2020 21:01
question
Mathematics, 16.10.2020 21:01
question
Mathematics, 16.10.2020 21:01
Questions on the website: 13722362