Physics, 27.01.2020 22:31 geraldsmith2008
Cathy is moving into a tenth-floor apartment. she has a grand piano that weighs 570 pounds and is too big to fit in the elevator or in the stairwell.
which simple machines would make it easiest for cathy to get her grand piano up to her new apartment?
a.
wheels and axles
b.
inclined planes
c.
screws
d.
pulleys
Answers: 1
Physics, 23.06.2019 00:30
Arope has one end tied to a vertical support. you hold the other end so that the rope is horizontal. if you move the end of the rope back and forth with a frequency of 4 hz, the transverse wave you produce has a wavelength of 0.5 m. what is the speed of the wave in the rope?
Answers: 1
Physics, 23.06.2019 04:50
How does the motion of an airplane compare to the motion of a rocket ?
Answers: 1
Physics, 23.06.2019 05:10
Which of the following should not be included in a great summary? a. blaming your lab partner b. new questions your experiment has generated c. your prediction d. your investigation plan
Answers: 2
Cathy is moving into a tenth-floor apartment. she has a grand piano that weighs 570 pounds and is to...
Physics, 04.08.2019 05:00
Mathematics, 04.08.2019 05:00
History, 04.08.2019 05:00
Geography, 04.08.2019 05:00
Chemistry, 04.08.2019 05:00
Mathematics, 04.08.2019 05:00
Biology, 04.08.2019 05:00
English, 04.08.2019 05:00
Mathematics, 04.08.2019 05:00
Mathematics, 04.08.2019 05:00
Social Studies, 04.08.2019 05:00