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A mechanical device requires 420

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A mechanical device requires 420 J of work to do 230 J of work in lifting a crate. What is the efficiency of the device?I keep
1. 2 answers
2. asked by Anonymous
3. 2,362 views
eBookA firm has an opportunity to invest in a new device that will replace two of the firm’s older machines. The new device
1. 0 answers
2. asked by Anonymous
3. 287 views
Which option correctly defines a generator?A.a device that converts mechanical energy into electrical energy B.a device that
1. 3 answers
2. asked by Help
3. 1,505 views
How do i make a mechanical device using mechanical advantage to lift an 8lb trash bag with a 1lb can of soup.Use a lever with
1. 0 answers
2. asked by dustin hill
3. 512 views
A firm has an opportunity to invest in a new device that will replace two of thefirm’s older machines. The new device costs
1. 1 answer
2. asked by Rachel
3. 667 views
A firm has an opportunity to invest in a new device that will replace two of the firm's older machines. The new device costs
1. 0 answers
2. asked by Anonymous
3. 549 views
Video conferencing requires at least a microphone and a speaker on your device. What other device does it need?A. LED ring light
1. 1 answer
2. asked by young_240sx
3. 91 views
Video conferencing requires at least a microphone and a speaker on your device. What other device does it need?(1 point)Response
1. 1 answer
2. asked by Donald Craven
3. 107 views
What is a metronome?(1 point) Responses a composition’s rate of speed a composition’s rate of speed a mechanical or
1. 1 answer
2. 13 views
What is the definition of rhythm?(1 point) Responses a composition's rate of speed a composition's rate of speed a mechanical or
1. 1 answer
2. asked by bri_bri
3. 29 views

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