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Give four reasons why Lavoisier is generally designated "the father of chemistry." When a sample of A reacts with one of B, a new substance AB is formed, and no B but a little of A is left. Which is the limiting reactant?
The coefficient of kinetic friction between the block and table is 0.41. What is the initial speed of the bullet?
an object with mass m 6.5 kg is moving with a constant velocity along the y axis v08.4 ms. suddenly a force along the x
The mass of nitrogen molecule, N2, is 4x10^26 kg. What is its root mean square (rms) speed at 40 degrees Celsius
The index of refraction for a certain material is 1.399 for red light and 1.432 for blue light. Light containing both of these colors is traveling in vacuum and strikes a flat sheet of this material. Find the angle separating the two colors in th..
A cylinder with a diameter of 9 microns and a height of 40 microns is composed of Al2O3. Calculate the number of aluminum atoms and the number of oxygen atoms
A 11kg hammer strikes a nail at a velocity of 8.7m/s and comes to rest in a time interval of 7.4ms, What is the impulse of the given nail
The charge of 20μ C produces an electric field. Twopoints are 10 cm and 5cm from this charge. Find the amount of workdone in taking a proton from one point to another
A composite bar made from two different materials of equal cross-sectional areas are directly attached to each other making the bar a length of L = L1 + L2.
Use the equation Q = (m)(c)(change in T) to calculate the heat "lost" by the hot water. Show your work using the problem-solving method shown in previous rubrics. The specific heat for water (c) is 4186 J/(kg * Co).
An old 9.0-V battery produces a potential dissimilarity of 9.0 V when checked with a voltmeter. If the internal resistance is 14.3 and a 100 resistor is connected across the battery leads, what is the voltage across the battery's leads?
A cannon fires up at an angle of 30 degrees above the horzontal with a muzzle velocity of 40 m/s. How far from the base of the wall dos the cannon ball travel
According to the woman, what is the kinetic energy of the man-dog-child system? According to the man, what is the kinetic energy of the man-dog-child system?
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