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A higway curve with a radius of 400m is banked properly for a car traveling 120km/h. how much sideways force must the tires exert
The magnitude of each force is 271 N, the force on the right is applied at an angle 20? and the mass of the block is 13 kg. what is the magnitude of the resulting acceleration
The Earth has mass ME and average radius RE. Find an expression for the moment of inertia IE of the Earth on its axis in terms of the given parameters
The coefficient of kinetic friction between a suitcase and the floor is 0.272. how far can it be pushed across the level floor with 630J of work
A large air-filled 0.247-kg plastic ball is thrown up into the air with an initial speed of 11.3 m/s. What fraction of its original energy has been lost to air friction
Consider the arrangement shown in the figure below. Assume R = 4.00 ? and scripted l = 1.40 m, At what speed should the bar be moved
A 4.77-kg ball of clay is thrown downward from a height of 3.31 m with a speed of 4.81 m/s onto a spring with k = 1690 N/m. Find the maximum compression of the spring
Using a ball that has unknown mass m. You plot your data in the form of f2 versus M/L, with f in rev/s,M in kg, and L in m. calculate the mass m of the ball
Two capacitors are connected parallel to each other. Let C1= 3.50?F ,C2 = 5.50?F be their capacitances, Calculate the potential difference across each capacitor
If an electron travels 0.250 m from an electron gun to a TV screen in 32.0 ns, what voltage was used to accelerate it
You travel from "point" Columbia to St. Louis in a car moving at a constant speed of 60 km/h. What is your average speed for the entire trip
What voltage must be applied to the 5.00 µF capacitor of a heart defibrillator to store 550 J in it? Find the amount of stored charge
A 27.00 kg block is pushed up a frictionless inclined plane that makes an angle of ? = 23 o with the horizontal direction. What force is needed to move the block
A soccer player kicks a ball from ground level with an initial velocity of 25 m/s at an angle of 30° above the horizontal. What angle does the velocity vector make with the horizontal
A heart defibrillator delivering 400 J of energy by discharging a capacitor initially at 10,000 V has a capacitance of 8.00 µF, What is the voltage of the second defibrillator
To push a 56.0-kg crate up a frictionless incline angled at 34.0° to the horizontal, a worker exerts a force of 484 N parallel to the incline. What work is done on the crate by the worker
Find the capacitance of a parallel plate capacitor having plates of area 1.00 m2 that are separated by 0.400 mm of Teflon
A 1.49 kg ball is connected by means of two ideal strings to a vertical, rotating rod. The strings are tied to the rod and are taut. What is the tension in the lower string
Two equally charged particles each have a mass of 0.015kg. They are suspended by a light string with a 60 degree angle between them. find the magnitude of the repulsive electric force
Can anyone explain the intermediate compound formation theory in detail
A cylindrical capacitor has an inner conductor with a radius of 1.1mm and an outer conductor with a radius of 3.5mm. What is the capacitance per unit length
Calculate the pH during the titration of 20.00 mL of 0.1000 M C6H5COOH(aq) with 0.1000 M NaOH(aq) after 19.54 mL of the base have been added. Ka of benzoic acid = 6.5 x 10-5.
Without referring to a periodic table, write the electron configuration of the elements with the following atomic numbers Z=9, Z=20, Z=26,Z=33
Calculate the pH during the titration of 20.00 mL of 0.1000 M ammonia NH3(aq), with 0.1000 M HCl after 20.30 mL of the acid have been added. Kb of ammonia = 1.8 x 10-5.
EDTA is utilized to slow microbial degradation of mayonnaise by preventing bacterial uptake of iron. Assuming that mayonnaise has a pH of 3.9 and a total iron content of 10-6 mole/liter, how much ED