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A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in contact with a ball, initially at rest, for about 0.0032 s. If the ball has a mass of 55 g and leaves the head of the club with a speed of 2.2x 10^2 ft/s, find the average force exerted on the ball by the club.
Although it might not be the best choice, a student prepares a buffer using HN3 and NaN3 solutions. Find the approximate pH of the solution s/he made by mixing 0.150L of 0.800M HN3 with 0.200L of 0.25 M N3^-
Dental amalgam, a solid solution of silver and tin in mercury, is used for filling tooth cavities. Two of the reduction half-reactions that the filling can undergo are
Prepare a ratio analysis for 2012 and 2013 that includes sufficient information to analyze the liquidity, solvency and profitability of Innova.
A small, 200 kg cart is moving at 1.50 m/s on an air track when it collides with a larger, 1.00 kg cart at rest. What is the speed of the large cart after the collision
Calculate Kc for the equilibrium: NO(g) + 1/2 O2(g) NO2(g) if Kp= 1.3 X 10^6 at 298 Kelvin
So I have a spring with a ball on it. I measure how many times it oscillates 10 times and I measure those 10 times at 11.6 seconds which means one time it takes is 1.16 seconds. How do I find the spring constant
Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 9.00 multiplied by 102 mL of solution and then titrate the solution with 0.148 M NaOH. C6H5CO2H(aq) + OH-(aq) = C6H5CO2-(aq) + H2O(l)
A ball is thrown horizontally from a cliff at a speed of 15 m/s. What is the speed one second later
A rod 11.0 cm long is uniformly charged and has a total charge of -21.5 µC. Determine the magnitude of the electric field along the axis of the rod
a .1276 g sample of a monprotic acid, molar mass 1.10 x 10^2, was dissolved in 25 mL of water and titrated with .0633 M NaOH. After 10 mL if base had been added the pH was determined to be 5.27. What is the Ka for the acid
The electron in a hydrogen atom orbits the proton at a radius of 0.053 nm. What is the electric field due to the proton at the position of the electron
A proton (+1.6 x 10^-19 C) is traveling horizontally at 5.4 x 10^6 m/s south. What is the force of the proton along with direction
A father racing his son has three-fifths the kinetic energy of the son, who has two-fifths the mass of the father. The father speeds up by 2.5 m/s, What is the original speed of the father
A person can't see objects clearly that are closer than 80 cm. What is the refractive power of the contact lenses wouyld you prescribe
A copper wire and an aluminum wire of the same length have the same resistance. What is the ratio of the diameter of the copper wire to that of the aluminum wire
Halley's comet moves about the Sun in an elliptical orbit, with its closest approach to the Sun being 0.59 A.U. what is its speed when it is farthest from the Sun
You want to precut a set of 1.51 ohm strips of 14.0 gauge copper wire (of diameter 1.628 mm ). How long should each strip be
A coil with area 2.0m2 rotates in a 0.010T magnetic field at a frequency of 60Hz. How many turn are needed to generate a peak voltage of 160V
A 0.9 inch tall clock is 29 cm in front of a diverging lens which has a focal length of -30 cm, Determine the image distance and height
A horizontal slingshot consists of two light, identical springs (with spring constants of 27.7 N/m) and a light cup that holds a 1.47-kg stone, determine the system's total mechanical energy
A small plastic ball of mass 5.27 x 10-3 kg and charge +0.118C is suspended from an insulating thread and hangs between the plates of a capacitor, What is the magnitude of the charge on each plate
A 768 kg car moving at 27 m/s brakes to a stop. The brakes contain about 16 kg of iron that absorb the energy. What is increase in temperature of the brakes
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