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Manufacturers of headache remedies routinely claim that their own brands are more potent pain relievers than the competing brands. Their way of making the comparison is to compare the number of molecules in the standard dosage. Tylenol uses 325 mg of acetaminophen (C8H9NO2) as the standard dose, while Advil uses 2.00 x 102 mg of ibuprofen (C13H18O2). Find the number of molecules of pain reliever in the standard doses of (a) Tylenol and (b) Advil.
A hardworking ant must supply 0.00655 N to pull a small piece of fruit at constant velocity over a distance of 8.00 cm up a small hill to the entrance of the colony. Use the work-energy theorem to calculate the mass of the piece of fruit in grams
two equally charged particles are held 3.0 10-3 m apart and then released from rest. the initial acceleration of the
For t
A 5 kilogram cart is moving horizontally at 6 meter per second. in order to change its speed to 10 ms, obtain the net work done on the cart
A car with a total mass of 1.65*103 kg has wheels ofradius 35.0 cm and moment ofinertia 0.760 kg ·m2. Suppose that the wheels were then replaced byoversized wheels of the same shape and made of the same materials,but 49% wider and witha 49% larger..
A particle with a mass of 6.64*10^-27 kg and a charge of +3.20*10^-19 C is accelerated from rest through a potential dissimilarity of 2.45 * 10^6 V. The particle then enters a uniform 1.60 T magnetic field.
A high-pressure gas cylinder contains 40.0 L of toxic gas at a pressure of 1.70 ? 107 N/m2 and a temperature of 18.0°C. What is the final pressure in the tank, assuming a negligible amount of gas leaks while being cooled
Some extreme sport enthusiasts have been know to jump off the top of El Capitan, It is very important that the parachute be far away from the cliff when opened. How far is the jumper from the cliff when opening the parachute
A proton beam in an accelerator carries a current of115µA. If the beam is incident on a target, how many protons strike the target in a period of 26.0s?
You and a friend each drive 67 km to the same destination. You travel at 88.9 km/h and your friend at 98.8 km/h. How long will your friend wait for you at the end of the trip
Three resistors, 28, 48, and 80 ?, are connected in series, and a 0.53-A current passes through them, What is the equivalent resistance
A car starting at x = 52 m accelerates from rest at a constant rate of 8 m/s2. What is its average velocity for the interval 0
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