Major-league pitcher can throw a ball problem
A major-league pitcher can throw a ball in excess of 35.3 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches a catcher who is 17.0 m away from the point of release?
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At a certain temperature and pressure 1.4 L of N2 reacts with 2.1 L of O2. If all the N2 and O2 are consumed, what volume of N2O3, at the same temperature and pressure, will be produced?
A peregrine falcon dives at a pigeon. The falcon starts downward from rest and falls with free-fall acceleration. If the pigeon is 83.5 m below the initial position of the falcon, how long does it take the falcon to reach the pigeon? Assume that t
You have constructed a hydroquinone concentration cell (below) with buffers of pH = 10 and pH = 2. Using the Nernst equation, calculate the cell potential for this electrochemical cell.
the molar heat capacity of silver is 25.35 rm J/mol * C. How much energy would it take to raise the temperature of 8.60 g of silver by 11.1 C?
Classify the liquids that she has consumed as acidic or alkaline. State the pH values of water and blood. State what the patient can include and avoid in her diet on a regular basis to avoid these symptoms in the future.
A seagull flies at a velocity of 11.00 m/s straight into the wind. If it takes the bird 19.0 min to travel 6.00 km relative to the earth, what is the velocity of the wind?
A student titrates 0.738 grams of an unknown solid, weak acid with 0.1027 Molarity NaOH. What is the molecular weight of the unknown solid, weak acid?
Calculate the osmotic pressure (in torr) of 6.00 L of an aqueous 0.779 M solution at 30.oC, if the solute concerned is totally ionized into three ions (e.g., it could be Na2SO4 or MgCl2).
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