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An object of mass 1000 g falls from a height of 30m on the sand below. If it penetrates 4cm into the sand, what opposing force is exerted on it by the sand? Neglect air friction.

answered Dec 16, 2024

1 answer 133k views

Blood test are only for measuring the number of red blood cells a person has. True or False

asked Sep 11, 2024

1 answer 159k views

If an F3 tornado has winds of 162 miles per hour, what is the minimum increase in wind speed required for it to become an F4 tornado with winds above 200 miles per hour? A. 38 mph B. 40 mph C. 42 mph D.

asked Jun 7, 2024

1 answer 132k views

If a recipe calls for 180 grams of carrots, and the EP unit cost is $2.50 per kg, what is the ingredient cost of carrots? Remember to round your answer to the nearest cent.

answered Mar 7, 2024

1 answer 192k views

Civil Rights Movement “We Shall Overcome” from Lyndon B. Johnson’s Address, 1965 STEP 1: consider how the author uses evidence and reasoning to develop a point of view or purpose. stylistic or persuasive

answered Mar 3, 2024

1 answer 6.0k views

Yusuf tried to solve an equation step by step. A) 1/4r+2=10 B) 1/4r=12 C) Step 1: r=48 D) Step 2: 4/1r+2=10

answered Mar 1, 2024

1 answer 4.5k views

The system of equations y=-2x+3 and y= x is graphed.What is the solution to the system of equations?

asked Oct 26, 2023

2 answers 36.8k views

Help Divide. 22.7 ÷ 0.04

answered Oct 20, 2023

2 answers 143k views

The following question refers to the following phylogenetic trees. Which tree depicts the closest relationship between zygomycetes and chytrids? (A) I (B) II (C) III (D) IV

asked Sep 18, 2023

1 answer 217k views

At noon on a certain day, Minneapolis is N degrees warmer than St. Louis. At 4:00 the temperature in Minneapolis has fallenby 5 degrees while the temperature in St. Louis has risen by 3 degrees, at which

answered Aug 28, 2023

1 answer 46.8k views

Drosophila sechellia often eat Indian mulberry plants. Suppose the consumption efficiency of Drosophila is 20%, the assimilation efficiency is 40%, and the production efficiency is 30%. If Drosophila eat

answered Aug 9, 2023

1 answer 84.9k views

What is the black depression

asked Aug 7, 2023

1 answer 112k views

3. Because the climate in southern Texas is very dry, the Coahuiltecan a. grew a variety of crops for export. b. became hunter-gatherers to support themselves. c. learned how to make many fine tools. d.

answered Jun 26, 2023

1 answer 160k views

when christina brings home a low math grade on her report card, she is greeted at the door with disapproving looks from her parents. at the dinner table, both of her parents are silent as they eat, and

asked Mar 3, 2023

1 answer 44.4k views

A 95% confidence interval for an unknown population mean is given by (9, 12). How should this confidence interval be interpreted? A) There is a 95% chance the sample mean = 10.5 is within 3 units of the

answered Feb 9, 2023

1 answer 160k views

z varies directly as x and inversely as y? If z = 51 when x = 36 and y = 3, find z if x = 25 and y = 7. (Round off your answer tothe nearest hundredth.)

answered Feb 6, 2023

1 answer 103k views

For what value of a is - 4a zero of the polynomial p(x) = x ^ 2 - x - (2a + 2) ^ 2

answered Nov 18, 2022

1 answer 107k views

the roots of the gorse plant have bacteria that turn nitrogen gas into nitrate ions. Explain why nitrate ions are needed by the gores plant

asked Oct 28, 2022

1 answer 161k views

What the measure of AB

asked Oct 16, 2022

2 answers 92.6k views

Which exercise would be best to use as part of a warm-up? A.Static stretching B.Checking your heart rate C. Lifting Weights D.Light jogging

asked Aug 6, 2022

1 answer 82.3k views

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