Questions by RivanMota

Questions by RivanMota

What is the change in internal energy if 30 J of thermal energy is released from a system, and the system does 40 J of work on the surroundings? Use U = Q - W. A. 70 J B. 10 J C. -10 J D. -70 J

asked Feb 14, 2021

1 answer

5 votes

75.7k views

If y represents a number, write an expression that represents the sum of y and a number one greater than y

asked Feb 12, 2021

2 answers

5 votes

218k views

The population of Oklahoma is approximately A. 2.5 million B. 3 million C. 3.75 million D. 4.5 million

asked Jan 6, 2021

1 answer

5 votes

148k views

What is the distance between points A and C

asked Dec 4, 2020

1 answer

0 votes

192k views

An airplane of mass 5000 kg flies in a straight line at steady speed of 70 m/s. Wind resistance pushes backwards on the airplane with a force of 2000 newtons.Is the forward force that the engine exerts

asked Sep 8, 2020

1 answer

0 votes

216k views

Fish in a marine environment must maintain a relatively constant ion concentration in their tissues and blood. How do the chloride cells in the gills aid fish in the removal of excess ions?A. the chloride

asked Jul 2, 2020

1 answer

1 vote

4.7k views

10 POINTS Which statement best explains how to identify the text structure used in the excerpt from "For Want of a Horseshoe Nail"? Then he spurred his horse to ride toward the broken line and rally the

asked Jun 10, 2020

1 answer

2 votes

121k views

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