Recent activity by Charles Ma

Recent activity by Charles Ma

An ice plant produces 10×10³ kg of ice per day at 0∘C using water at a temperature of 23∘C. Estimate the power required by the compressor motor, if the COP of the plants is 3.5 and the transmission efficiency

answered Jan 1

1 answer 91.0k views

Which microphone type is best suited for general ENG (electronic news gathering) application? 1) Dynamic microphone 2) Condenser microphone 3) Ribbon microphone 4) Lavalier microphone

answered Nov 12, 2024

1 answer 53.5k views

A particular fruit's weights are normally distributed, with a mean of 704 grams and a standard deviation of 12 grams. If you pick 12 fruit at random, what is the probability that their mean weight will

answered Oct 28, 2024

1 answer 55.0k views

"Generalization" as applied to behaviorist learning theories, occurs when True False

asked Sep 12, 2024

1 answer 179k views

On an ILS approach, when you are 10 miles from the end of the runway, full scale deflection indicates the aircraft is how far off course laterally?

asked Jul 19, 2024

1 answer 211k views

Why was the Ohio River Valley so valuable ?

answered Jul 17, 2024

1 answer 103k views

The kids antonio met at church were named

answered Jun 24, 2024

1 answer 188k views

What items make up the basic description for a hazardous material on a shipping paper? A. The UN or NA identification number; the proper shipping name; the hazard class or division number; the subsidiary

answered Jun 7, 2024

1 answer 181k views

What was the plan for the Battle of Yorktown? Did it work?

answered May 27, 2024

1 answer 6.2k views

What would happen if the 23-degree axial tilt of the earth were altered?

asked May 23, 2024

1 answer 184k views

The markings on a LP-gas motor/mobile fuel container installed on a vehicle must be readable ______________.

answered Mar 29, 2024

1 answer 191k views

Please help!!!! i did not know this was in 7th grade

answered Mar 27, 2024

1 answer 91.8k views

Select all correct answers. One solution to a quadratic equation is . Which sentences could describe any remaining solutions? There is exactly one more real solution. There are no complex solutions. There

answered Mar 26, 2024

1 answer 158k views

The longest and most stable part of a star's life occurs once nuclear fusion begins. This phase is known as: a) Main sequence b) Protostar c) Red giant d) Supernova

answered Mar 21, 2024

1 answer 174k views

Living paycheck to paycheck means that you need every bit of your paycheck to meet your expenses. How do you feel about your situation? Do you think you can live 30 days with $1,000? Explain. a) I feel

asked Mar 9, 2024

1 answer 169k views

Subtract 5/6 - 8/15. Simplify the answer

asked Feb 14, 2024

2 answers 97.9k views

13) You pick a card and pick a marble. How many possible outcomes are there? 3 4 | 5 67 A) 5 OB) 2. OC) 10 OD 6

asked Oct 11, 2023

1 answer 29.1k views

Complete a table for the equation

answered Jun 13, 2023

1 answer 209k views

What are examples of two chemicals

answered Mar 18, 2023

2 answers 127k views

Comparing Relationships with Tables1. Decide whether each table could represent a proportional relationship.If the relationship could be proportional, what would the constant ofproportionality be?a. How

asked Mar 12, 2023

1 answer 217k views

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