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A water molecule consists of an oxygen atom with two hydrogen atomsbound to it (Figure P8.34). Suppose the angle between the two bondsis 102°. If the bonds are 0.100 nm long, where is the center of mass of the molecule? (Take the origin to be the center of the oxygen atom andthe x axis to be along the dotted line.)
1. a diamond has a mass of 56.6 g and the gold ring it is set in has a mass of 125.6 g. how many carbon atoms are
if the magnitude of the total acceleration of the car's mass center is the same at B as at A, compute the radius of curvature of the dip in the road at B
In a photoelectric effect experiment, visible radiation is incident upon a metal of work function 1.05 eV. What is the wavelength of the incident radiation
The minimum stopping distance for a car travelling at a speed of 30 {rm m/s} is 60 {rm m}, including the distance travelled during the driver's reaction time of 0.54 {rm s}.
A hardworking ant must supply 0.00655 N to pull a small piece of fruit at constant velocity over a distance of 10.00 cm up a small hill to the entrance of the colony. calculate the work done by the ant by pulling the piece of fruit up the hill
Suppose that a 1800 kg car passes over a bump in a roadway that follows the arc of a circle of radius 20.8 m, What force does the road exert on the car as the car passes the highest point of the bump if the car travels at 40.0 km/h
After the Sun exhausts its nuclear fuel, its ultimate fate will be to collapse to a white dwarf state. Calculate the average density of the white dwarf
assume you have a perfectly isolated closed system under reversible and isothermal conditions where pv 0.8
The stirrer is used to stir the mixture until it reaches its last equilibrium temperature of 32°C. Analyse the mass of the aluminum cup.
It is important for the body to have mechanisms to effectively cool itself; if not, moderate exercise could easily increase body temperatures to dangerous levels. by how much would his body temperature rise during this exercise
A vertical straight wire carrying and upward 24-A current exerts an attractive force per unit length of 8.8 X 10-4 N/m on a secon parallel wire 7.0 cm away
A 12-kg hammer strikes a nail at a velocity of 8.5 m/s and comes to rest in a time interval of 8.0 ms. What is the average force acting on the nail
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