Finding recoil speed of the man and the rifle
A rifle with a weight of 30 N fires a 5.0 g bullet with a speed of 300 m/s. (a) Find the recoil speed of the rifle. (b) If a 700 N man holds the rifle firmly against his shoulder, find the recoil speed of the man and the rifle.
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How do you calculate the concentration(molarity) of hydronium ion in a solution made by dissolving 1.90gof hydrogen chloride in enough water to make 0.642L of solution?and how do you calculate the pH and concentration of hydroxide in the solution?
To get the boat moving, you throw the stones rearward, either in succession or together, but in each case with a certain speed 15.000 m/s relative to the boat. a.) What is the resulting speed of the boat if you throw the stones simultaneously?
The 20 kg pulley has a radius of gyration of 160 mm. if B has a mass of 10 kg, determine the angular acceleration oof the pulley and the tesion in the cable connected to B.
A buffer is prepared by mixing 185 mL of 0.439 M NaOH with 855 mLof 0.869 M sodium bicarbonate (NaHCO3). Given that theKa1 of H2CO3 is 4.5 x10-7 and the Ka2 is 4.7 x 10-11,calculate the pH of the solution.
Let R1 and R2 be uniform random variables on the interval (a, b).
A very dilute solution of silver nitrate is added dropwise to asolution that contains equal concentrations of sodium chloride andpotassium bromide. which salt will precipitate first?
One hiker suggests they walk on another 50 m to avoid inaccurate compass readings caused by the current. Compared to the earth's magnetic field, is the current from the transmission line really a problem?
Create a MATLAB function called PascalTri that computes and prints a formatted Pascal's Triangle for any integer input using MATLAB. The function will have one input argument, a positive integer.
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