Magnitude and direction of the total force exerted
A roller coaster car of mass 310 kg (including passengers) travels around a horizontal curve of radius 32 m. Its speed is 16 m/s. What is the magnitude and direction of the total force exerted on the car by the track?
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Two ants race across a table 65 cm long. One travels at 4.45 cm/s and the other at 3 cm/s. When the first one crosses the finish line, how far behind is the second one?
The heat of vaporization of water at 100 °C is 40.66 kJ/mol. Calculate the quantity of heat that is absorbed/released when 9.00 g of steam condenses to liquid water at 100 °C.
The mass percent composition of the compound is 53.31% C, 11.19% H, and the rest is O. What is the molecular formula of the compound?
Two special steps in the experimental procedure are incorporated to reduce the loss of the calcium oxulate precipitate. Identify the steps in the procedure and the reason for each step?
Choose the two alkyl bromides and the hydrogenation method that must be used to synthesize these alkenes from acetylene.
compound 1-iodododecane is a nonvolatile liquid with a density of 1.20g/ml. the density of mercury is 13.6g/ml. what do you predict for the height of a barometer column based on 1-iodododecane,when the atmospheric pressure is 749 torr?
Then 25mL of distilled water was added to the beaker and 5 mL of .025 M Fe(NO3)3 solution was also added to make precisely 50 mL(total Volume). What is the molar concentration of the salicylic acid?
Draw the two elimination products that could be formed by the reaction of 2-bromo-2-methylbutane with potassium hydroxide in ethanol at 78oC.
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Why did the authors include multiracial emerging adults in their study? Describe the difference between direct and indirect mental health help seeking
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Dr. Jones believes that, in individuals diagnosed with dissociative identity disorder, different alternative personalities appear during adulthood
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I want to have a focus group with a stratified sample of participants from our course, therefore I need to make sure:
After only two weeks on the job, Luka quits, disillusioned. Which of the following best describes what Luka experienced?