Questions by Daniel Schaffer

Questions by Daniel Schaffer

A radar station sends out a 250000 Hz sound wave at a speed of 340 m/s. The sound wave bounces off a weather ballon and returns back to the radar station in 4.8s at a frequency of 240000 hz. How far away

asked Mar 16, 2021

1 answer

2 votes

207k views

The cartoon below was created in the 1940s: Which describes why this cartoon about For's presidency in the 1940s would also be an accurate interpretation of Lyndon B. Johnson's comestic policy during his

asked Feb 7, 2021

2 answers

1 vote

180k views

Injured tissue releases chemicals which activate platelets in the blood. Activated platelet release chemicals to attract MORE platelets, eventually forming a blood clot. Which of the following is this

asked Jul 24, 2020

1 answer

2 votes

127k views

Hacienda is what type of word

asked Jun 15, 2020

1 answer

4 votes

70.1k views

Photosynthesis allows plants to turn light energy into chemical energy by forming glucose from carbon dioxide and water: 6CO2(g) + 6H2O(l) → C6H12O6(g) + O2(g) ΔHrxn = 2802.8 kJ The glucose is then used

asked Feb 26, 2020

1 answer

5 votes

191k views

How does the author use word choice to convey his point of view about migrant farm workers?

asked Feb 11, 2020

1 answer

3 votes

199k views

List the major leaders of the Muslim empires and one important fact about there ruling

asked Aug 21, 2019

1 answer

1 vote

105k views

Estimate the diameter of a circle with a circumference of 80 feet. 50.96 ft 12.74 ft 25.48 ft 40 ft

asked Aug 11, 2019

2 answers

4 votes

121k views

What is the distance from point Y to in the figure below?

asked Jan 26, 2019

2 answers

0 votes

80.1k views

A 13.0 L sample of helium gas has a pressure of 29.0 atm. What volume would this gas occupy at 3.50 atm? Assume ideal behavior.

asked May 11, 2018

2 answers

2 votes

10.7k views

The sum of two polynomials is 8d5 – 3c3d2 + 5c2d3 – 4cd4 + 9. If one addend is 2d5 – c3d2 + 8cd4 + 1, what is the other addend?

asked Mar 10, 2018

2 answers

3 votes

47.3k views

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