Chemistry Middle School

A painter needs to buy a new pulley system. Both systems have an input work of 100 J, but the old system model has an output work of 60 J and the new system model has an output work of 75 J.

Which system is more efficient?

Answers

Answer 1
The answer is the old model is better

Related Questions

help me out hear i need help

Answers

Answer:

Explanation:

i cant see the attachment

Please answer each question carefully. If wrong, you have proven yourself stupid to the world.

How does cooking a turkey relate to the water cycle?

How does cooking a turkey relate to the nitrogen cycle?

How does cooking a turkey relate to the oxygen cycle?

How does cooking a turkey relate to the carbon cycle?

How does cooking a turkey relate to the Conservation of Mass and Energy?

Answers

Answer:

aw baby nah that ain't gonna work

points xx

Explanation:

You are planning on making punch and you would like to cool it with ice. At the
store, there are 2 different one-pound bags of ice to choose from:

one that contains large ice cubes

one that contains small ice chips.

You only want to purchase one bag of ice and will add the entire bag to the punch.

Would one of the bags cool the punch at a faster rate? If so, which one and
why? If not, why?

Would one of the bags of ice cool the punch to a lower temperature? If so,
which one and why? If not, why?

Answers

would be the small ice chips because their energy will be melted more quickly
The small ice chips because they are smaller so they will melt faster and keep it cool
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