A 4 kg hammer is accelerated at 4ms2 before striking a nail
A 4 kg hammer is accelerated at 4m/s^2 before striking a nail for 1.6 sec find the force of the hammer and impulse acting on the nail at impact.
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Calculate the pH of a buffer solution obtained by dissolving 22.0 g of KH2PO4(s) and 40.0 g of Na2HPO4(s) in water and then diluting to 1.00 L
Four linear polarizers are stacked so that each is at a 30 degree angle to the one before it, what is the intensity of the transmited light
1. Write this as a Boolean expression in canonical minterm form 2. Rewrite the expression in canonical maxterm form 3. Write the complement of f in 'little m' notation and as a canonical minterm expression
If a buffer solution is 0.220 M in a weak acid (Ka = 8.5 × 10-5) and 0.550 M in its conjugate base, what is the pH
A 4 kg hammer is accelerated at 4m/s^2 before striking a nail for 1.6 sec find the force of the hammer
A silicon sample is 85x10^-6 m in length and has a cross-section of 20x10^-6 m x 6x10^-6 m. It has been uniformly doped with Arsenic with a doping density of 4.5x10^15 cm^-3. Assume the temperature is 300K and mobilities are u_n = 1300 cm^2/Vs and
What is the standard deviation of the returns on a portfolio that is invested 52 percent in stock Q and 48 percent in stock R?
A certain automobile engine is performing work at the rate of 33900 W (45 hp) with an efficiency of 27%
Assume o.2mm^3 of oil is allowed to spread on water over a surface area of 400 cm^2. What will be the average thickness of the film in Angstroms
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