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Physics

Bob has just finished climbing a sheer cliff above a beach, and wants to figure out how high he climbed. All he has to use, however, is a baseball, a stopwatch, and friend on the ground below with a long measuring tape. Bob is a pitcher, and knows that the fastest he can throw the ball is about 32.5m/s. Bob starts the stopwatch as he throws the ball and watches carefully. The ball rises and then falls, and after 0.510 seconds the ball is once again level with Bob. Bob's friend then measures that the ball landed 123m from the base of the cliff. How high is Bob, if the ball started from 2m?

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Mathematics

Find an equation of the tangent line to the curve y=8x sinx at the point pi/2 4pi

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History

Why did columbus write having trouble with the crew

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Mathematics

Which function is the inverse of f(x) = 2x + 3?

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Mathematics

If g(x) = x2 + 3, find g(4)

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English

What is Mr. Utterson’s relationship with Dr. Lanyon?

a. Long-time friend and counsel c. Alter-ego b. Former patient d. Casual acquaintance None

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History

What are some reasons why a teenager might join a gang in the 60's?

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Physics

Three equal masses lie at the corners of an equilateral triangle of side l. find the center of mass.

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Spanish

Which of the following words means "bedroom in Spanish?

O A. El dormitorio O B. La cocina O C. El baño O D. La sala SUBMIT None

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Geography

"Resource nationalism" is the term given to government control of a country's natural resources

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Biology

All of the following contain amino acids except a) hemoglobin b) cholesterol c) insulin d) enzymes e) antibodies

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English

This excerpt is most likely More’s reaction to his society’s

government. exploration. religion. greed. None

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Computers and Technology

When preparing images to be used for different mediums print web and video in photoshop different file formats are required , select the correct file format with the most appropiate use?

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History

The triadic division of the planet since world war ii places the emphasis on _____ in europe.

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Social Studies

Maurice was born with an xy chromosome type, and he has the external genitalia of a male. he has, for the better part of his life, however, felt like he was supposed to be a woman. he has always identified more with feminine clothes, behaviors, and emotions. according to your text, maurice's chromosomal makeup and primary sexual characteristics would label him

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Business

With regard to health and safety at workplace, _____ can be defined as the probability of harm. a. obstacles b. impediments c. risks d. barriers

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History

Pagan myths are usually characterized by omniscient, omnipotent, and omnipresent deities. True False

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Geography

In Figure 20-1, which air masses would be associated with cold, wet conditions?

In Figure 20-1, which air masses would be associated with cold, wet conditions?

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Mathematics

The dress store is having a sale where all merchandise is 1/4 off. A women buys 54 dollars of merchandise AT SALE PRICE. What would she have had to pay at regular price

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Mathematics

which value cannot represent the probability of an event occurring? 1. 0.01 2. 2/85 3. 62.5% 4. 1.1

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Chemistry

A certain weak acid, HA, has a Ka value of 6.7 X 10^-7.

Part A Calculate the percent ionization of HA in a 0.10 M solution. Express your answer to two significant figures and include the appropriate units. Part B Calculate the percent ionization of HA in a 0.010 M solution. Express your answer to two significant figures, and include the appropriate units. None

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