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A 0.250 kg hammer is moving horizontally at 5.50 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board.
(a) Calculate the duration of the impact
(b) What was the average force exerted on the nail?
The sodium isotope,^21,11 Na,with a half-life of 23s, undergoes decay by emitting a positron. write the complete nuclear reaction.
Do these lambda maxs indicate an increase or a decrease in the energy of the light absorbed as the number of EN ligands bound to Cu(II) increases
A trisubstituted cyclohexane compound is given below in its chair conformation. Draw the corresponding planar (overhead) representation, using wedge-and-dash bonds to indicate the substituent positions
The expected value per claim for every customer who chooses plan B is $_. The expected value per claim for every customer who chooses plan A is $_.
New wood has a cpm of 40. The half-life of carbon-14 is 5730 years? What is the age of the wood?
Why is it impossible to know both the position and velocity of an atom (i.e. electron). It states this in the Heisenberg uncertainty principle...but why
What were the concentrations of the solutions (zinc solution, copper solution, and salt bridge)? Were the concentrations consistent
Define a bird is flying around the world at a rate of 433.2 in/sec. Explain how many weeks will it take to complete its journey
This product can be redesigned (shrunk) to take only 0.5 cm2, but now 50% of the chip is using the 0.5 µm design rules. Estimate the yield of the redesigned product.
The heat capacity of a bomb calorimeter is found to be 5.68 kJ/oC. When a 1.652 g sample of glucose is burned in the calorimeter, the temperature of the calorimeter increases from 24.56 oC to 29.10 oC. Calculate the heat of combustion of glucose.
How many grams of Ag can be formed from 9.50 grams of Ag2O in the equation: 2Ag2O (s) ? 4Ag (s) + O2 (g)?
A 5.0 gram sample of tea was extracted with 200 mL of boiling water for 2 minutes. Caffeine from 2.0 mL of the above tea, after solid phase extraction, was diluted to 50. mL with the mobile phase. 10uL of the sample extract upon injection gave an ..
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